" Note that RCA identifies the 6DJ8 as a "medium-mu twin triode" and the 6ES8/ECC189 a "variable-mu twin triode. I couldn't agree more. Learn more about the Budgie Tube Phono Preamp Amplifier, Pre by Parks Audio on Gearogs, the planet's premier database of audio equipment. In my PS Audio BHK Stereo 250 amp, I've found Voskhod "Rocket" 6n23p tubes to be just the ticket. Each was a well reviewed and highly regarded design. So organic you'll want to grow pot. The internal components go through additional selection and processing during assembly. The Bugle Boy cartoon character is what is known as "the thin man" which was a thinner and more detailed picture, used only from about 1962-1964, but never on A-Frame getter tubes (which are 6DJ8 types, 1972-1976 vintage) and never on 6922. It provides very smooth mids and high end with a lot of detail. Except the Matsushita 7DJ8 / PCC88 on our website. If possible could you do a preamp that uses 2 or 4 of the 6922 type tubes if it makes sense design wise? I really like looking into a preamp and seeing tubes in there now. It's a cult item. They are NOS, they are used, but they are work well. I try to keep black and red in stock. At the plate current levels used, it has more than twice the transconductance of the commonly used 6922 tube. Philips Miniwatt 12AX7/Ecc83 preamp tubes. JJ E88CC / 6922 Vacuum Tube The Slovak heritage of superior industrial craftsmanship continues with the newly expanded line of JJ vacuum tubes. Fully single-ended from input to output, the PH3 uses a combination of J-FET input stage technology (for low inherent circuit noise) and class A operation vacuum-tube gain via three 6922 twin triodes. These are also called E88CC in Europe. " Product Specifications. E88CC Gold Pin (6922 - 6DJ8). The Shuguang 6DJ8 is a fantastic preamp tube at a rediculously low price. I have tube preamp that uses six 6922 tubes. Matched Pair of 6922 Preamp Vacuum Tubes (also E88CC) High frequency twin triode preamplifier tube used in studio and hi-fi equipment. Friday 11am-4PM EST. Remarkably powerful and easy to use, this preamp is an excellent way of giving your projects a rich tube sound along with Mid-Side stereo recording. The 6C45pi Tube: This is a heavy duty Russian military tube that is unlike any other. Most recently I have been active on the Lyr tube rolling. I must say I'm disappointed. 00 /ea: 6P1P-EV / 6AQ5 / EL90 tube (new in paper) - $ 3. The 4S Universal preamp is a super simple single stage line level Hi-Fi preamplifier that will work with any of the 9-pin miniature 12A*7 twin triode tubes (12AU7 12AV7 12AY7 12AT7/12AZ7 12AX7). 3V filament rectifier tubes, onboard S2 switch must set to 6X5 position. 6DJ8, EF86, 6 Volt tubes available. 6922eh 6922 eh ecc88 ecc 88 gold tube vacuum preamp made in usa. Perfect for your guitar or bass amp where the 6922 or 6DJ8 is called for. The internal components go through additional selection and processing during assembly. Jual beli online aman dan nyaman hanya di Tokopedia. In high gain application like phono or preamp, microphonics and noise is critical. Home; Ef86 valve equivalent. Without going into some of the more obscure tube types, I played with the 12xxx series, 6SN7/6SL7 types, 5687 and the 6922/6DJ8. So organic you'll want to grow pot. NOS E88CC (6DJ8,6922) Tesla Military golden vacuum tubes. Tube Depot carries a selection of 6DJ8 / 6922 / ECC88 / E88CC / CV2492 Pre Amp Vacuum Tubes. But the gain, noise floor, and dynamics of the Cornet3 blow the 3x more-expensive Fi out of the water, at least with my cartridge. Free shipping. Fully single-ended from input to output, the PH3 uses a combination of J-FET input stage technology (for low inherent circuit noise) and class A operation vacuum-tube gain via three 6922 twin triodes. Other Notes: "The PH3 is a phono preamplification stage intended for use with an active line-level stereo preamplifier. But sometimes manufacturers control technology and sometimes the winds of technology and cultural demands steer the manufacturers. Schematic of 1 channel of amp, Full explanations are included. Part of its secret is an unusually large complement of tubes -- 18 E88CC/6922 dual triode tubes and one ECC82 dual triode. 90; Member Price: $652. t = Triode Unit. Vintage JJ E88CC 6922 Gold Pin Preamp Tube New Old Stock! $25. Gold Lion E88CC / 6922, Electro-Harmonix 6922EH Gold, and Electro-Harmonix 6922EH are all low noise and very low microphonic. Vacuum Tube Warranty & Return Policy BEL E88CC / 6922 Philips SQ Design. The JJ Electronic E88CC / 6922 is a great replacement for any 6922, 6DJ8, or E88CC tube. Featured Videos. These tubes are highly recommended for any critical listening application. Genalex Gold Lion E88CC/6922 dual triode preamp tube with gold pins. Reflector 6H23p-EB / 6922 (Premium) NOS. You can change tubes to vary the preamplifier gain. The best sounding "new production" 6922 tubes that I have tried are the JJ Tesla. If a preamp uses one or two tubes, it’s usually a hybrid. 6DJ8 / ECC88 SRPP Tube Preamplifier Schematic; Tube RIAA Phono Hi-Fi Preamplifiers. Electro-Harmonix 6922 EH Preamp Vacuum Tube. Cari produk Lainnya lainnya di Tokopedia. siemens e88cc e188cc scc88 6922 7308 6dj8 grey shield gold pin strong pair--$150 test results--94/92, 95/96 tight in the low and mid frequencies, and the high Chat to Buy. The Genelex Gold Lion E88CC /6922 marries the finest materials and surgical like constructionresulting in the finest tube made today. The Shuguang 6DJ8 is a fantastic preamp tube at a rediculously low price. At the plate current levels used, it has more than twice the transconductance of the commonly used 6922 tube. The same tube is always going to sound different in a different circuit. Fully single-ended from input to output, the PH3 uses a combination of J-FET input stage technology (for low inherent circuit noise) and class A operation vacuum-tube gain via three 6922 twin triodes. Each channel make use of a single low noise tube to implement the amplification. 2 Speaker Upgrade. KENWOOD KA-9100 INTEGRATED AMPLIFIER Preowned CONDITION Not Tested! Sold As Is. Tubes E88CC Siemens, golden pins, the best choice for audio E88CC 6922 Siemens Made in W. Audio Loudspeaker Whiskey Bottle Tube Cool Stuff Amp Technology Music Speakers. The same tube is always going to sound different in a different circuit. d = Diode Unit. The preamp is a Lamm LL2 Deluxe which is a valve preamp using a Philips 6X4 rectifier tube, two JAN Philips 6189w tubes and two GH23A-EB Russian tubes (equivalent of the 6DJ8/6922). Siemens E88CC 6922 Gold Pins Vacuum Tube Strong & Balanced 11,900|10,900. The replacement tubes have been two in the main line section, and two in the phono hi-gain section. 6DJ8 / ECC88 SRPP Tube Preamplifier Schematic; Tube RIAA Phono Hi-Fi Preamplifiers. When using 6. Probably worth the try. It worked well and sounded good, but in just three weeks, one channel (which uses half of the tube) got noisy. I also liked the Voskhods very much in a Music Reference RM5III preamp I used to own. Summary of Styles and Designs. " Product Specifications. com Rare Amperex 6922 tube special D-getter audio. There is only ONE reason to use an FET. Audio Research REF-110 Power Tubes Set - Winged C 6550 + 6H30P-DR Super Tubes 8 Pcs Winged C 6550 4 Pcs 6H30P-DR - 1980 made Nos Tubes Totaly: 12 tubes All tubes d. The Directly Heated Triode (DHT) tubes can be very good , and suit those after a slightly more euphonic sound, but do need some serious engineering to get the best out of them. 00 each) High Gain (add $2. If excessive noise is noticed in one channel, then a tube may be noisy. Most recently I have been active on the Lyr tube rolling. Other Notes: "The PH3 is a phono preamplification stage intended for use with an active line-level stereo preamplifier. The 6922GEH is perfect gold pin replacement for any 6DJ8 / ECC88 / 6922 / E88CC or 7308. 90; Member Price: $652. Today, it is by far the most common preamp tube used for electric guitar amplification and there is an almost overwhelming supply of current production options to choose from. The reason why it took so long for us to organise the Battle of 12AX7 is because we want to compare the best of the best 12AX7 even produced, and these tubes are both. This tube’s high end clarity and warm smooth mids make the JJ E88CC and excellent choice for Hi-Fi preamps and amplifiers. Featured Videos. Probably worth the try. The Reflektor factory's tubes haven't appealed to me so much. In other words, tubes sound better. So I'm just compiling my three FS threads for my four tubes into one thread. If 12AX7 is used in a linestage (as is often the case in commercial products. The Electro-Harmonix 6922 preamp vacuum tube presents a clear tonality with a strong amount of signal gain. 1) E88CC or CCa Siemens & Halske 1950's to 1960's D getter or 1960's O getter halo "Rarest and most sought after CCa, has gray or silver shield between plates and Frame-Grid construction. Also known as the CV4108 in Europe. Free shipping. Also known as the 6922, the E88CC was originally targeted for test equipment and radar. I've been experimenting with 6922 family tubes to tame some of the issues you are having. The output is in unbalanced mode. Both the V1 Deluxe and the V3 ship with an EH 6922 tube, while the Ocean and V2 are supplied with the Shugguang 12AU7. Call to place an order:. Electro-Harmonix 12AX7 Data Sheet. KENWOOD KA-9100 INTEGRATED AMPLIFIER Preowned CONDITION Not Tested! Sold As Is. It worked well and sounded good, but in just three weeks, one channel (which uses half of the tube) got noisy. Included are a pair of Electro-Harmonix 6922 gold and one 6CA4 rectifier tube. 1) E88CC or CCa Siemens & Halske 1950's to 1960’s D getter or 1960's O getter halo "Rarest and most sought after CCa, has gray or silver shield between plates and Frame-Grid construction. The 6922 is a great tube, but it is a low-noise fragile signal tube, not meant for this kind of manhandling. 12AX7 Family Tube Substitution. Below is our current selection of 6922 / E88CC / 6DJ8 audio tubes. V1 are Electro-Harmonix 6H30’s. The 6922 is nearly. Every product benefits from a quality of exceptional manufacturing. The Genalex Gold Lion E88CC/6922 is a premium grade selected small signal twin-triode that is a suitable replacement for all 6DJ8, ECC88, 6922, E88CC, and 7308 types. If excessive noise is noticed in one channel, then a tube may be noisy. The maximum plate voltage also actually seems to differ between 6922 and 6DJ8 on some of my info, as does mu. Tube MM/MC Phono Preamplifier PCBA Kit Input Stage Twin Tube LM394 Amplifier by 6922 /6DJ8 Audio HIFI DIY Model No: WMMTV-TGA31-MB This kit provides those audiophiles who have strong practical capability, and are ability and techniques for quick thinking, circuit designing, component applications. Input impedance is 100K, dimensions are 16 x 8 x 7 (W x D x H), Weight is 9. 99 Web Store. 90; Member Price: $652. 12AX7WA Sovtek dual triode preamp tube 12AX7. Brand: Amperex. Fully single-ended from input to output, the PH3 uses a combination of J-FET input stage technology (for low inherent circuit noise) and class A operation vacuum-tube gain via three 6922 twin triodes. FREE Shipping by Amazon. Free shipping. JJ E88CC / 6922 Vacuum Tube The Slovak heritage of superior industrial craftsmanship continues with the newly expanded line of JJ vacuum tubes. own a tube preamp that I bought used in late 1990's. Make Offer - Siemens E88CC 6922 Gold Pins Vacuum Tube Strong & Balanced 11,900 Make Offer - RARE NOS SIEMENS GERMANY E88CC GOLD PIN PREAMP AUDIO TUBES LOW NOISE PHONO READY. Price: $34. JJ implements a solid construction that those familiar with their preamp tubes will find familiar. The 4S Universal preamp is a super simple single stage line level Hi-Fi preamplifier that will work with any of the 9-pin miniature 12A*7 twin triode tubes (12AU7 12AV7 12AY7 12AT7/12AZ7 12AX7). VTSP-360 Vacuum Tube Stereo Preamplifier (original factory supplied tubes) Electro-Harmonix 6922 EH Preamplifier Vacuum Tube. I must say I'm disappointed. Read our reviews or we'll help you with a recommendation. Fully balanced double mono design 2. Free shipping. 6dj8/e88cc/6922 The 6DJ8 is a 9 pin medium gain preamp tube that was first available in the late 1950s. Tubes E88CC Siemens, golden pins, the best choice for audio E88CC 6922 Siemens Made in W. The 6DJ8 / ECC88 / 6922 vacuum tube are a miniature small signal preamplifier 9-pin medium gain triode vacuum tube on a B9A base with 6. We have NOS E88CC (6DJ8,6922) Tesla Military golden vacuum tubes. Musical Fidelity 6N11/6922/6DJ8 Vacuum Tube. High frequency twin triode preamplifier tube used in studio and hi-fi equipment. SIEMENS E88CC (6922) SQ goldpin single tube tested on Avo 163 valves. This tube’s high end clarity and warm smooth mids make the JJ E88CC and excellent choice for Hi-Fi preamps and amplifiers. The Directly Heated Triode (DHT) tubes can be very good , and suit those after a slightly more euphonic sound, but do need some serious engineering to get the best out of them. Featured Videos. Gold Lion E88CC / 6922, Electro-Harmonix 6922EH Gold, and Electro-Harmonix 6922EH are all low noise and very low microphonic. Pre Box RS offers 3-dimensional sound-staging, perfect micro dynamics and ultimate resolution combined with flexibility to use XLR and RCA sources. This microphone preamp contains individual controls to mix mic with Hi-Z or line inputs for variable vacuum tube output. Grading and Matching BEL E88CC / 6922 Philips SQ Design. Most have gold plated pins, but many Sylvania manufactured 6922's have steel pins (a few Sylvania's are gold pin). Audio Preamp Tube List. So I'm just compiling my three FS threads for my four tubes into one thread. Mon-Thurs 11am-6pm EST. 1) E88CC or CCa Siemens & Halske 1950's to 1960’s D getter or 1960's O getter halo "Rarest and most sought after CCa, has gray or silver shield between plates and Frame-Grid construction. " Product Specifications. USN-6922 Amperex USA Gold Pins with curved "D" getter halo NOS 1961 (14. com; Link to tubedepot 6922EH. These are all pin compatable with one another, the only differences being the gain factor of each tube. Tesla 6922 tubes in my preamp. Joe's Tube Lore Note. So I'm just compiling my three FS threads for my four tubes into one thread. The reason why it took so long for us to organise the Battle of 12AX7 is because we want to compare the best of the best 12AX7 even produced, and these tubes are both. Vintage JJ E88CC 6922 Gold Pin Preamp Tube New Old Stock! $25. DOUBLE TRIODE E88CC is the European Name of 6922/ 6DJ8. 95 US ~$81 CDN. 2ma) (mic grade) $ 229. 00 shipping. The best sounding "new production" 6922 tubes that I have tried are the JJ Tesla. We ship exclusively by air. I replaced my 18-year-old 6922 in my preamp with this Genalex 6922. Review (mpn:6922 for sale) Tube - Pinch AMPEREX 6922 Data Preamp Date Waist Pair Test -getter. They are some of the best sounding 6DJ8 / ECC88 / 6922 / E88CC ever made. Brand: Amperex. The Genalex Gold Lion E88CC/6922 is a premium grade selected small signal twin-triode that is a suitable replacement for all 6DJ8, ECC88, 6922, E88CC, and 7308 types. 3V signal tubes: 6N11, 6N1P, E88CC, E188CC, CCA, 6922, 6H23, 6H6, 6H30, (6SN7 with 6SN7 to 6922 adapter). For more information on 6922 / E88CC / 6DJ8 vacuum tubes including pinouts, ratings, application and possible substitutions visit 6922 in Wikipedia, 6922 in Duncan Amps, and 6922 in The Tube Directory. The EH 6922's are my current production tube of choice in my Bottlehead phono preamp although I prefer some NOS Tesla's from the 70's with some cartriges. Tesla 6922 tubes in my preamp. The Bugle Boy cartoon character is what is known as "the thin man" which was a thinner and more detailed picture, used only from about 1962-1964, but never on A-Frame getter tubes (which are 6DJ8 types, 1972-1976 vintage) and never on 6922. If a preamp uses one or two tubes, it’s usually a hybrid. hand made preamp electrolyte-less PSU design • Dual mono PSU, based on chokes of highest quality (CLCLCRC chains dual mono with self-compensating balanced power circuit and balanced tube circuit) • Fully balanced with QUAD mono amplification sections • Low impedance outputs (150 Ohms) x 4 phases 100 % DUELUND copper cast caps in signal path. Groove Tubes GT-12AU7 - ECC82 Select Preamp Tube Model: 555-0112-417. aleph-t thermion tube sit vfet ahha m1 pearl phono riaa hybrid valve e88cc ecc88 6n23p 6dj8 6922 ecc88 6c33c 6c33c-b 6n6p 6h30 6gm8 6n27p pcb ahha-m1 aikido broskie. I also liked the Voskhods very much in a Music Reference RM5III preamp I used to own. A Comparison of Current Production 12AX7 Tubes. AmpTubes is an Australian based Vacuum Tube supplier dedicated to providing you the best quality products at the. Amperex / Philips / Miniwatt / Valvo 7308 (E188CC)、6922 (E88CC),市價約 3 - 7 K。 Philips 體系的 7308、6922 有各種品牌,有美國或荷蘭製,還有好幾種顏色,令人眼花撩亂, 不過品質俱屬一流,買之可也。 其中,7308 (E188CC) 是 E88CC 的特別版,壽命可達 10000 小時,值得優先選購。. We design and manufacture our tubes, engineered for demanding high fidelity and overall warmth. You can change tubes to vary the preamplifier gain. 3V filament rectifier tubes, onboard S2 switch must set to 6X5 position. hx = Hexode Unit. We ship exclusively by air. 1 in March 2009, so mine must be at least six or seven years old, assuming that it was from the last few. A modified Cayin SC-10 produced in very limited numbers for Hit Audio. " Product Specifications. 1% tolerance resistors and capacitors should be used for the filter components. When using 5V filament rectifier tubes, onboard S2 switch must set to. Make Offer - Pair of Philips 6922 / E88CC / CCa Audio Preamp Tubes from the 60ies, Grey Plate E88CC Philips Miniwatt Special Quality NOS 1960 7L5 - Super Strong Tube $99. April 5, and that the preamp tubes (input tubes) will make the biggest difference in how the music can sound in my system. Probably worth the try. JJ implements a solid construction that those familiar with their preamp tubes will find familiar. Most have gold plated pins, but many Sylvania manufactured 6922's have steel pins (a few Sylvania's are gold pin). 12AX7’s or 6922’s just can't get there. Joe's tube lore hits the nail on the head how they sound. It has a range of high end triode tubes such as 845, 805, 211, 2A3, 300B and 101D launched already under Elite series and DG series. Groove Tubes GT-12AX7R2 - Russia-2 Select Preamp Tube Model: 555-0112-396. These are all pin compatable with one another, the only differences being the gain factor of each tube. I replaced my 18-year-old 6922 in my preamp with this Genalex 6922. Tube Guard Protector For 12AX7 12AU7 6922 5687 ECC83 shugang audio PreAmp Amp Part US $1. USN-6922 Amperex USA Gold Pins with curved "D" getter halo NOS 1961 (14. VTSP-360 Vacuum Tube Stereo Preamplifier (original factory supplied tubes) Electro-Harmonix 6922 EH Preamplifier Vacuum Tube. Each channel make use of a single low noise tube to implement the amplification. 90; Member Price: $652. If excessive noise is noticed in one channel, then a tube may be noisy. 50 shipping. The 4S Universal preamp is a super simple single stage line level Hi-Fi preamplifier that will work with any of the 9-pin miniature 12A*7 twin triode tubes (12AU7 12AV7 12AY7 12AT7/12AZ7 12AX7). 6dj8/e88cc/6922 The 6DJ8 is a 9 pin medium gain preamp tube that was first available in the late 1950s. These latter two were premium versions rated as 10,000 hour life tubes. 6DJ8 / ECC88 SRPP Tube Preamplifier Schematic; Tube RIAA Phono Hi-Fi Preamplifiers. I try to keep black and red in stock. The voltage swing, which will meander over the line anyway, should never spend more than half its time outside the boundaries. If 12AX7 is used in a linestage (as is often the case in commercial products. Other Notes: "The PH3 is a phono preamplification stage intended for use with an active line-level stereo preamplifier. The VTSP-360 has a proprietary one of a kind tube bias servo circuit that optimizes the performace of many different tube configurations that are equivalent to the 6DJ8 type dual triode vacuum tubes. It was never designed for audio use, but instead VHF and UHF operation in TV tuners and test equipment, but it quickly found favor in hi-fi designs. Electro-Harmonix 6922 EH Preamp Vacuum Tube. Joe's tube lore hits the nail on the head how they sound. Have replaced four E88cc (6922) tubes about every 8-years, never replaced the four PC900's in the med/low phono section (that I can recall). The Tung-Sol 12AX7/ECC83 is the gold standard of preamp tubes favored by guitar tone junkies, and one of the most important links in your tonal chain. Price: $26. Similar to the 6922 / 6DJ8 tube type is equivalent to the European ECC88 / E88CC tube and can be used in any 6922, 6DJ8 or ECC88 circuit. 0 out of 5 stars 1. Probably worth the try. To suggest a video, send email. The tubes chosen for the TPB. Electro-Harmonix 6922 Gold Pin. 6922 and its European equivalent E88CC are premium versions of the 6DJ8. 1) E88CC or CCa Siemens & Halske 1950's to 1960's D getter or 1960's O getter halo "Rarest and most sought after CCa, has gray or silver shield between plates and Frame-Grid construction. 2U dual mono di-re-mic preamplifier, 2dB steps. Other Notes: "The PH3 is a phono preamplification stage intended for use with an active line-level stereo preamplifier. This position is particularly sensitive to microphonic tubes due the high gain of channel 2. Without going into some of the more obscure tube types, I played with the 12xxx series, 6SN7/6SL7 types, 5687 and the 6922/6DJ8. The 6DJ8 / ECC88 / 6922 vacuum tube are a miniature small signal preamplifier 9-pin medium gain triode vacuum tube on a B9A base with 6. Using the 6922 tube in the Unistage design and the use of tube current sources "further improves the linearity of the gains stage to yield a more open and textured sound than a simple resistor-based solution". 6922 Tube Pre-amp 12AU7 Tube Pre-amp 12AX7 Tube Pre-amp Balanced Opamp Pre-amp Passive Pre-amp Speakers AAD 7001 by Phil Jones Vifa MTM Speaker OrCad Speaker / Crossover Simulation. Fujita, has taken all those specific features and specifications into consideration and we are happy to welcome the release of the newly designed TU-8500. The tube is used for “amplifying” or voltage gain, and a solid-state device like an FET is used to lower output impedance and “drive” the voltage through. 75 PAIR (TWO) Factory Matched and Balanced Telefunken Elektroakustic E88CC 6922 Black Diamond Tubes. For more information on 6922 / E88CC / 6DJ8 vacuum tubes including pinouts, ratings, application and possible substitutions visit 6922 in Wikipedia, 6922 in Duncan Amps, and 6922 in The Tube Directory. Pair of JJ E88CC/6922 Preamp Vacuum Tube. It just means the tube will have a longer life in your amp. 1% tolerance resistors and capacitors should be used for the filter components. I've been experimenting with 6922 family tubes to tame some of the issues you are having. We provide schematic to buyers by EMAIL. Ecc99 datasheet Ecc99 datasheet. The Directly Heated Triode (DHT) tubes can be very good , and suit those after a slightly more euphonic sound, but do need some serious engineering to get the best out of them. Vintage JJ E88CC 6922 Gold Pin Preamp Tube New Old Stock! $25. 99 Web Store. Early 1960s Telefunken E88cc and E188cc tubes. Specifications The Herron Audio VTSP-360 uses four type 6922, or 6DJ8, or E88CC, or 7308 dual triode vacuum tubes. Probably worth the try. Get the best deals on Amperex Vintage Preamp Tubes Sockets when you shop the largest online selection at eBay. Finally, the HP 700 control unit requires a 6922 (6DJ8) mounted sideways inside the chassis. Groove Tubes GT-12AU7 - ECC82 Select Preamp Tube Model: 555-0112-417. These tubes are pin to pin compatible, PCC has slightly different heater voltage (7. Although cj delivered the tubes with tube dampers I soon discovered that 6922 could easily get microphonic - the first symptom was listening to the mechanical clicking noises of the volume control relays through the speakers!. 1) E88CC or CCa Siemens & Halske 1950's to 1960's D getter or 1960's O getter halo "Rarest and most sought after CCa, has gray or silver shield between plates and Frame-Grid construction. Grading and Matching BEL E88CC / 6922 Philips SQ Design. KENWOOD KA-9100 INTEGRATED AMPLIFIER Preowned CONDITION Not Tested! Sold As Is. A tube preamp is a unit that preamplifies a weak signal into a level of higher voltage and/or current, and where any overdrive/distortion occurs or is accomplished with one or more vacuum tubes. Except the Matsushita 7DJ8 / PCC88 on our website. FREE Shipping by Amazon. Matched Pair of 6922 Preamp Vacuum Tubes (also E88CC) High frequency twin triode preamplifier tube used in studio and hi-fi equipment. The 6C45pi Tube: This is a heavy duty Russian military tube that is unlike any other. Is it fine to put a 6922 tube into a pre-amp that is using 12ax7 tube, the shape is the same, same amount of pins, so my question is can I? I know each tube has different characteristics, but generally speaking am I bound to run into some problems doing that, or is it a NO-NO altogether?. These latter two were premium versions rated as 10,000 hour life tubes. or Best Offer. " Product Specifications. Whether it is installed in a phono stage or microphone preamplifier, this E88CC-TK will breathe new life into all audio equipment offering precise imaging, unmatched dynamics and a large full-bodied soundstage. Tesla 6922 tubes in my preamp. Free shipping on orders $105 and over. Saturday and Sunday Closed. 1% tolerance resistors and capacitors should be used for the filter components. The Dot which represents the idle-spot should be well below the max-dissipation curve. However there is an important difference, a 1k "stopper" resistor is added at each grid input. with very small steps that make it the smallest tube preamp in the world! Only 65mm x 25mm x 98mm!. 7308 / E188CC is generally the highest quality tube in the 6DJ8/ECC88 family. The Gold Pin JJ E88CC is based on the same construction as the original E88CC. I also liked the Voskhods very much in a Music Reference RM5III preamp I used to own. Guitar; Audio Interfaces ; Studio Monitors; Studio Mixers & Control Surfaces. 90; Shop price: $658. Price: $26. 003: 7DJ8 tubes will work great in most amps and preamps that use. 6DJ8 / ECC88 SRPP Tube Preamplifier Schematic; Tube RIAA Phono Hi-Fi Preamplifiers. 7308: This is the most sought after and highest tier tube in terms of quality. Each channel make use of a single low noise tube to implement the amplification. ECC88 is the European designation for this tube. Audio Research Stereo Tube Preamp and Power Supply Model: SP-10 Preamp Model: SP-10PS Power Supply Connection cable included Tube Chassis Tubes: (4) 6922 LN, (8) 6922, (2) 5881, (1) 12AT7. Audio Preamp Tube List 6CG7/6FQ7 Click Here 6DJ8 Click Here Includes 6922,7308 6GK5/6FQ5 Click Here 6SL7 Click Here Includes 5691,6113,6SU7GTY. Designing 6922 Cathode Follower These tutorials will provide some guidelines for designing a high quality tube amplifier based on 6922 tubes. The preamplifier can allow balanced or unbalanced input. 6922 is the same as E88CC, 6DJ8 is the same as ECC88. In this video, we put 6922 audio grade tubes on our noise test fixture to spot noise and microphonics that a tube tester alone would miss. We might be looking for you as ‘tube reviewer’! We have added a new line of tubes called Linlai Tubes™ recently. The tube is used for “amplifying” or voltage gain, and a solid-state device like an FET is used to lower output impedance and “drive” the voltage through. These articles were originally published in audioXpress, October 2003 and January 2010. All these properties make the 6922 a good choice as a preamp tube. New old stock in origional boxes. SIEMENS E88CC (6922) SQ goldpin single tube tested on Avo 163 valves. This preamplifier uses two 6KZ8 tubes for voltage amplification, two 6922 tubes for the driver stage and American RCA 22DE4 tubes for high voltage rectification. 00 /ea: Site. 6922 and its European equivalent E88CC are premium versions of the 6DJ8. Germany, A Frame, single stage disc getter, A6 XX codes, from 70s. Grading and Matching. Free shipping. Although the tutorials are using 6922 calculations, using the same formulas may assist you in designing an amplifier based on other triodes. For this repost, we decided to merge the two articles in one single page. Probably worth the try. Free shipping. Other Notes: "The PH3 is a phono preamplification stage intended for use with an active line-level stereo preamplifier. 6n11 6n11 tube audio tube cover 12v amplifier board mono ecc88 6dj8 tube guitar raw 6922 ecc88. Lamm released a version two of the preamp called the LL2. More information. p = Pentode Unit. We might be looking for you as ‘tube reviewer’! We have added a new line of tubes called Linlai Tubes™ recently. brand new old stock mint tubes in origional boxs. 6dj8/e88cc/6922 The 6DJ8 is a 9 pin medium gain preamp tube that was first available in the late 1950s. Specifications The Herron Audio VTSP-360 uses four type 6922, or 6DJ8, or E88CC, or 7308 dual triode vacuum tubes. The replacement tubes have been two in the main line section, and two in the phono hi-gain section. This product is for someone that wants the ultimate tube phono preamp, but doesn't want to pay $2500 or more for an Audio Research PH6 or PH8. 12AX7WA Sovtek dual triode preamp tube 12AX7. Designing 6922 Cathode Follower These tutorials will provide some guidelines for designing a high quality tube amplifier based on 6922 tubes. New old stock in origional boxes. The Shuguang 6DJ8 is a fantastic preamp tube at a rediculously low price. This product is for someone that wants the ultimate tube phono preamp, but doesn't want to pay $2500 or more for an Audio Research PH6 or PH8. The following ubiquitous quote from the TubeMuseum Famous Review of the Best Top 6922 Audio tubes ever. Solid internal construction provides very low microphonics and tube rattle. Also known as the 6922, the E88CC was originally targeted for test equipment and radar. 6922 (also E88CC) Preamp Vacuum Tube. Perfect for your guitar or bass amp where the 6922 or 6DJ8 is called for. FREE Shipping by Amazon. To suggest a video, send email. The 6DJ8 family was originally developed by Amperex. When using 5V filament rectifier tubes, onboard S2 switch must set to. 2U dual mono di-re-mic preamplifier, 2dB steps. Headquartered in beautiful Erie Colorado, The Music Room is a team of 23 strong (and growing) music lovers - all dedicated to one singular mission: delivering the very best online shopping experience in. The rap on the 6922 is that it is not an audio tube and can sound a little tizzy. 1% tolerance resistors and capacitors should be used for the filter components. " Product Specifications. This is an assembled kit of an audiophile grade stereo preamplifier. I’ll say this – the new production EH tubes that are included work so well, that when it came time to write the review, I still hadn’t even thought about rolling other tubes in(!). I have always been amazed at the sound quality improvements that some of the better of these tubes made. Vintage JJ E88CC 6922 Gold Pin Preamp Tube New Old Stock! $25. However there is an important difference, a 1k "stopper" resistor is added at each grid input. Overview: Electro-Harmonix tubes are quite simply the absolute best. From $87 View. This approach to RIAA equalization results in a high-quality phono preamp featuring the high-transconductance 5842 tubes. Avalon VT737SP Mic Preamp / Channel Strip Studio and Recording. Most NOS tubes last about a month in that preamp. 6V signal tubes: 12AU7, 12BH7, E80CC, (12SN7 with 6SN7 to 6922 adapter). Preamp Tubes – 6922 / 6DJ8 / 7308 / PCC88 Tube Basics and FAQ. Probably worth the try. 1) E88CC or CCa Siemens & Halske 1950's to 1960's D getter or 1960's O getter halo "Rarest and most sought after CCa, has gray or silver shield between plates and Frame-Grid construction. The following ubiquitous quote from the TubeMuseum Famous Review of the Best Top 6922 Audio tubes ever. This microphone preamp contains individual controls to mix mic with Hi-Z or line inputs for variable vacuum tube output. Avalon VT737SP Mic Preamp / Channel Strip Studio and Recording. The Genalex Gold Lion E88CC/6922 is a premium grade selected small signal twin-triode that is a suitable replacement for all 6DJ8, ECC88, 6922, E88CC, and 7308 types. E8CC/6922 - Preamp Tube Model: JJ-E88CC. These are all pin compatable with one another, the only differences being the gain factor of each tube. 6922 (also E88CC) Preamp Vacuum Tube. The Reflektor factory's tubes haven't appealed to me so much. nagra classic phono preamplifier insights! A small insight into the heart of the completely new Nagra Classic Phono phono stage. 99-01 Mustang - $1,548. Other Notes: "The PH3 is a phono preamplification stage intended for use with an active line-level stereo preamplifier. Back to all price lists Tube type and description: Price each: 6DJ8. It was never designed for audio use, but instead VHF and UHF operation in TV tuners and test equipment, but it quickly found favor in hi-fi designs. Followers 4. Perfect for your guitar or bass amp where the 6922 or 6DJ8 is called for. The 6DJ8 family was originally developed by Amperex. Probably worth the try. Designing the Gain Stage The first two design considerations are the 6922's the plate current and. Groove Tubes GT-12AU7 - ECC82 Select Preamp Tube Model: 555-0112-417. brand new old stock mint tubes in origional boxs. High frequency twin triode preamplifier tube used in studio and hi-fi equipment. Perfect for your guitar or bass amp where the 6922 or 6DJ8 is called for. preamplifier: 1. The 6922GEH is perfect gold pin replacement for any 6DJ8 / ECC88 / 6922 / E88CC or 7308. Mullard ecc82. 003: 7DJ8 tubes will work great in most amps and preamps that use. Matt describes the design and construction of the 4S Universal Tube Preamplifier. Also known as the CV4108 in Europe. Each board consists of two channel thus one board can be used for stereo application. From my experiences with, Early 1960s Amperex PQ white label made in the USA 6922 and 7308 tubes. THE TUBE SHOP From 1998 to 2020" Your one stop for NOS tubes " P O BOX 11283 Norfolk, VA. 1% tolerance resistors and capacitors should be used for the filter components. It worked well and sounded good, but in just three weeks, one channel (which uses half of the tube) got noisy. Fully single-ended from input to output, the PH3 uses a combination of J-FET input stage technology (for low inherent circuit noise) and class A operation vacuum-tube gain via three 6922 twin triodes. Back to: Vacuum tube preamplifier LM-512CA Vacuum tube preamplificateur - Tubes 6KZ8, 6922, & RCA 22DE4 The integrated preamplifier LM-512CA works with push-pull with 3 pairs of tubes and has many RCA / XLR inputs and outputs. I replaced my 18-year-old 6922 in my preamp with this Genalex 6922. 2ma) (mic grade) $ 229. Each was a well reviewed and highly regarded design. It depends on how that tube is implemented within the piece of gear. Most NOS tubes last about a month in that preamp. The phonostage’s tube complement is a set configuration including one each of type 12AX7, 12AT7, and 6922 (6DJ8). This is a valve rectified design and it is the size and weight of a fairly decent stereo tube amp. There is only ONE reason to use an FET. New & NOS tubes from Electro-Harmonix & other brands!. Free shipping. Separate power supply as an upgrade option for further improved sound quality. 6dj8/e88cc/6922 The 6DJ8 is a 9 pin medium gain preamp tube that was first available in the late 1950s. I couldn't agree more. hp = Heptode Unit. The preamplifier gain stage is an all-tube, class A design equipped with a pair of renowned 6922 tubes (standard) or 6H30∏ (optional). In fact, among the 3 tube preamps I created, this 6922 preamp sounds the best, it has the most resolution details and having excellent dynamics. The Electro-Harmonix 6922 preamp vacuum tube presents a clear tonality with a strong amount of signal gain. USN-6922 Amperex USA Gold Pins with curved "D" getter halo NOS 1961 (14. So I'm just compiling my three FS threads for my four tubes into one thread. Ribbed plates with Halo O Getters. The shortage of true NOS non-microphonic 6dj8/6922 tubes bought the 6n1-eb out as a replacement a long time ago, due to preamp manufacturers driving them to the edge and beyond their capabilities. In appearance the Counterpoint SA-7 tube preamplifier is quite attractive, possessing the thin, low-profile look currently in vogue. Free shipping. Using the 6922 tube in the Unistage design and the use of tube current sources "further improves the linearity of the gains stage to yield a more open and textured sound than a simple resistor-based solution". 750 dari toko online Langsung Jadi Elc. So I'm just compiling my three FS threads for my four tubes into one thread. Probably worth the try. It was developed by Philips in the Netherlands under European designation ECC88. KENWOOD KA-9100 INTEGRATED AMPLIFIER Preowned CONDITION Not Tested! Sold As Is. For a phono preamp you are going to want low noise tubes. 6V signal tubes: 12AU7, 12BH7, E80CC, (12SN7 with 6SN7 to 6922 adapter). Back to: Vacuum tube preamplifier LM-512CA Vacuum tube preamplificateur - Tubes 6KZ8, 6922, & RCA 22DE4 The integrated preamplifier LM-512CA works with push-pull with 3 pairs of tubes and has many RCA / XLR inputs and outputs. Without going into some of the more obscure tube types, I played with the 12xxx series, 6SN7/6SL7 types, 5687 and the 6922/6DJ8. 7308: This is the most sought after and highest tier tube in terms of quality. Produced in the Heerlen factory in Holland in 1965. It worked well and sounded good, but in just three weeks, one channel (which uses half of the tube) got noisy. Most NOS tubes last about a month in that preamp. The Music Room is the go-to source for the very best in new, used and vintage home audio products. In short, I foun. The tube is used for “amplifying” or voltage gain, and a solid-state device like an FET is used to lower output impedance and “drive” the voltage through. 95 shipping. The Genalex Gold Lion E88CC / 6922 Gold Pins Preamp Vacuum Tube are legendary in the guitar and hi-fi audio industry - FrontrowElectronics. If 12AX7 is used in a linestage (as is often the case in commercial products. The 6DJ8 / ECC88 / 6922 vacuum tube are a miniature small signal preamplifier 9-pin medium gain triode vacuum tube on a B9A base with 6. 6922 preamp schematic. com; Link to tubedepot 6922EH. KENWOOD KA-9100 INTEGRATED AMPLIFIER Preowned CONDITION Not Tested! Sold As Is. This is a valve rectified design and it is the size and weight of a fairly decent stereo tube amp. All tubes are new in their original box. A small amount of hiss from the phono preamp is normal. 2U mono instrument DI with six tone bank. E8CC/6922 - Preamp Tube Model: JJ-E88CC. 7308 / E188CC is generally the highest quality tube in the 6DJ8/ECC88 family. The design around said given tube will contribute more to its sound. Today, it is by far the most common preamp tube used for electric guitar amplification and there is an almost overwhelming supply of current production options to choose from. Audio Research REF-110 Power Tubes Set - Winged C 6550 + 6H30P-DR Super Tubes 8 Pcs Winged C 6550 4 Pcs 6H30P-DR - 1980 made Nos Tubes Totaly: 12 tubes All tubes d. Mon-Thurs 11am-6pm EST. V1 are Electro-Harmonix 6H30’s. " Product Specifications. 2ma) (mic grade) $ 229. Free shipping. 6922: The 6922 is the up-rated version of the 6DJ8 which was made for audio tubes. Buy siemens e88cc e188cc scc88 6922 7308 6dj8 grey shield gold pin strong pair tubes, guitar, hifi, preamp, speaker, amplifer, cd player, dac, turntable, headphone, guitar in Singapore,Singapore. Back to: Vacuum tube preamplifier LM-512CA Vacuum tube preamplificateur - Tubes 6KZ8, 6922, & RCA 22DE4 The integrated preamplifier LM-512CA works with push-pull with 3 pairs of tubes and has many RCA / XLR inputs and outputs. Excellent headroom and wide dynamic range provide signal transparency and clarity. More information. E88CC Gold Pin (6922 - 6DJ8). Vintage JJ E88CC 6922 Gold Pin Preamp Tube New Old Stock! $25. If a preamp uses one or two tubes, it’s usually a hybrid. " Note that RCA identifies the 6DJ8 as a "medium-mu twin triode" and the 6ES8/ECC189 a "variable-mu twin triode. Have replaced four E88cc (6922) tubes about every 8-years, never replaced the four PC900's in the med/low phono section (that I can recall). Preamp Tubes – 6922 / 6DJ8 / 7308 / PCC88 Tube Basics and FAQ. V1 are Electro-Harmonix 6H30’s. Electro-Harmonix 6922 EH Gold Pin Preamp Vacuum Tube. High frequency twin triode preamplifier tube used in studio and hi-fi equipment. 1% tolerance resistors and capacitors should be used for the filter components. 75 PAIR (TWO) Factory Matched and Balanced Telefunken Elektroakustic E88CC 6922 Black Diamond Tubes. Matched Pair of 6922 Preamp Vacuum Tubes (also E88CC) High frequency twin triode preamplifier tube used in studio and hi-fi equipment. I try to keep black and red in stock. 50 shipping. Doug's Tubes, Inc. Preamp A is firmly in plexiglass territory, while preamp B adds more grit to the sound, nailing hard rock tones. Best new production tubes for this socket are Electro Harmonix, JJ ECC803S, Sovtek 12AX7LPS. Type: Preamp Tubes. The 6922 is basically a tighter spec'd 6dj8, and the 7308 is a tighter spec'd 6922, so anywhere that calls for a 6dj8 you could definitely use a 6922 or 7308, but you wouldn't necessarily want to use a 6dj8 in an application that called for a 6922 or a 7308. 6DJ8 / ECC88 SRPP Tube Preamplifier Schematic; Tube RIAA Phono Hi-Fi Preamplifiers. com; Link to tubedepot 6922EH. AmpTubes is an Australian based Vacuum Tube supplier dedicated to providing you the best quality products at the. Input impedance is 100K, dimensions are 16 x 8 x 7 (W x D x H), Weight is 9. Fully single-ended from input to output, the PH3 uses a combination of J-FET input stage technology (for low inherent circuit noise) and class A operation vacuum-tube gain via three 6922 twin triodes. Each channel make use of a single low noise tube to implement the amplification. The reason why it took so long for us to organise the Battle of 12AX7 is because we want to compare the best of the best 12AX7 even produced, and these tubes are both. New generation input transformers from Nagra, based on the core of the HD PREAMP, are used in combination with Class A all-tube operation with 2x E88CC/6922, 1x ECC83 and 1x ECC81. I too was on the wild 6922 hunt a few months ago, after I bought a JuicyMusic Peach preamp. Tangerang sontax. It worked well and sounded good, but in just three weeks, one channel (which uses half of the tube) got noisy. The Shuguang 6DJ8 is a fantastic preamp tube at a rediculously low price. KENWOOD KA-9100 INTEGRATED AMPLIFIER Preowned CONDITION Not Tested! Sold As Is. Handcrafted 6922 Tube MC Phono Preamp. Have replaced four E88cc (6922) tubes about every 8-years, never replaced the four PC900's in the med/low phono section (that I can recall). If 12AX7 is used in a linestage (as is often the case in commercial products. Each board consists of two channel thus one board can be used for stereo application. Line Magnetic LM-512CA audio preamplifier vacuum tube Balance XLR audiophile Pre-amp 100% Brand new Tube Complement: 6KZ8 (thor), 6922 (universal), 22DE4 (RCA). This microphone preamp contains individual controls to mix mic with Hi-Z or line inputs for variable vacuum tube output. Preamp tubes are mostly dual triode designs, meaning they have two separate tubes contained in one glass bottle. 6922: The 6922 is the up-rated version of the 6DJ8 which was made for audio tubes. 188 Tally Lane. If you don't see what you want listed. Solid internal construction provides very low microphonics and tube rattle. New: Latest "Special Plate" Sovtek 6922 tube, Elite & Platinum versions, too The Musical Design SP-2B is the successor to the superb SP-1 and SP-2 preamps. 00 /ea: 6C33C-B / 6S33S-V tube - $ 35. A selector on the rear of the preamplifier allows the user to select the phase of the XLR input, allowing connection of almost any source. Ribbed plates with Halo O Getters. We have NOS E88CC (6DJ8,6922) Tesla Military golden vacuum tubes. The reason why it took so long for us to organise the Battle of 12AX7 is because we want to compare the best of the best 12AX7 even produced, and these tubes are both. Vintage JJ E88CC 6922 Gold Pin Preamp Tube New Old Stock! $25. The author adapts Erno Borbely's project of a transistorized phono preamp with a vacuum tube implementation. TUBES We can only guarantee the performance of this unit when used with the curve-traced and matched tubes supplied by Quicksilver. here, then try the regular lists. At the plate current levels used, it has more than twice the transconductance of the commonly used 6922 tube. These tubes are highly recommended for any critical listening application. They are NOS, they are used, but they are work well. The 6DJ8 / ECC88 / 6922 vacuum tube are a miniature small signal preamplifier 9-pin medium gain triode vacuum tube on a B9A base with 6. I have always been amazed at the sound quality improvements that some of the better of these tubes made. I put the old tube back in, and the noise was gone. Other Notes: "The PH3 is a phono preamplification stage intended for use with an active line-level stereo preamplifier. The preamplifier gain stage is an all-tube, class A design equipped with a pair of renowned 6922 tubes (standard) or 6H30∏ (optional). For the past 8 years, hobbyists have been asking for certain features to modify the TU-875 phono amp kit. Probably worth the try. In stock on September 2, 2020. 003: 7DJ8 tubes will work great in most amps and preamps that use. In other words, tubes sound better. The RCA Receiving Tube Manual (RC-28) considers the 6922/E88CC a double brand, which is a self-explanatory method of saying, "these two type numbers mean the same thing. Is it fine to put a 6922 tube into a pre-amp that is using 12ax7 tube, the shape is the same, same amount of pins, so my question is can I? I know each tube has different characteristics, but generally speaking am I bound to run into some problems doing that, or is it a NO-NO altogether?. The VTSP-360 has a proprietary one of a kind tube bias servo circuit that optimizes the performace of many different tube configurations that are equivalent to the 6DJ8 type dual triode vacuum tubes. 1965 factory codes. Input impedance is 100K, dimensions are 16 x 8 x 7 (W x D x H), Weight is 9. The EH 6922's are my current production tube of choice in my Bottlehead phono preamp although I prefer some NOS Tesla's from the 70's with some cartriges. The chassis of the CT6 has been obviously simplified, but the CT6 uses 6922 tubes just like the original ART. 6 out of 5 stars 2. Rolling Tubes – Preamp Tubes. Mullard ecc82. THE TUBE SHOP From 1998 to 2020" Your one stop for NOS tubes " P O BOX 11283 Norfolk, VA. Free shipping. I put the old tube back in, and the noise was gone. The 6N1P (Premium) tube is a very noticeable upgrade over the Sovtek 6922 tube and Electro Harmonix 6922 tube. We might be looking for you as ‘tube reviewer’! We have added a new line of tubes called Linlai Tubes™ recently. Many Russian tubes I quite like, the ones in my ARC gear come to mind specifically, and the Electro-Harmonix 6CG7 is my second favourite tube of this type – and only slightly bettered by a rare NOS GE. Input impedance is 100K, dimensions are 16 x 8 x 7 (W x D x H), Weight is 9. To suggest a video, send email. A Philips JAN 6922 made in the USA Developed by Amperex , the American division of Philips in 1958. It’s cheap. 12AX7’s or 6922’s just can't get there. The Bugle Boy cartoon character is what is known as "the thin man" which was a thinner and more detailed picture, used only from about 1962-1964, but never on A-Frame getter tubes (which are 6DJ8 types, 1972-1976 vintage) and never on 6922. Friday 11am-4PM EST. Preamp Tubes – 6922 / 6DJ8 / 7308 / PCC88 Tube Basics and FAQ. KENWOOD KA-9100 INTEGRATED AMPLIFIER Preowned CONDITION Not Tested! Sold As Is. Probably worth the try. If you don't see what you want listed. For example, Audio Illusion 3A tube preamp is known to eat tubes because it is design to drive the tube hard. DOUBLE TRIODE E88CC is the European Name of 6922/ 6DJ8. The 6922 was a premium industrial version and the 7308 was the top of the line guaranteed low noise version. It was developed by Philips in the Netherlands under European designation ECC88. Reflector 6H23p-EB / 6922 (Premium) NOS. The easiest way to mod your amp is to try a different preamp tube. Mon-Thurs 11am-6pm EST. Amperex / Philips / Miniwatt / Valvo 7308 (E188CC)、6922 (E88CC),市價約 3 - 7 K。 Philips 體系的 7308、6922 有各種品牌,有美國或荷蘭製,還有好幾種顏色,令人眼花撩亂, 不過品質俱屬一流,買之可也。 其中,7308 (E188CC) 是 E88CC 的特別版,壽命可達 10000 小時,值得優先選購。. A selector on the rear of the preamplifier allows the user to select the phase of the XLR input, allowing connection of almost any source. AmpTubes is an Australian based Vacuum Tube supplier dedicated to providing you the best quality products at the. 12AX7’s or 6922’s just can't get there. If possible could you do a preamp that uses 2 or 4 of the 6922 type tubes if it makes sense design wise? I really like looking into a preamp and seeing tubes in there now. Siemens E88CC 6922 Gold Pins Vacuum Tube Strong & Balanced 11,900|10,900. We have NOS E88CC (6DJ8,6922) Tesla Military golden vacuum tubes. 6H23 / 6922 Type 3. High frequency twin triode preamplifier tube used in studio and hi-fi equipment. 5751s, on the other hand, provide a. I have tube preamp that uses six 6922 tubes. Audio Preamp Tube List. The Telefunken E88CC-TK/6922 Black Diamond Series Vacuum Tube is ideal for use in microphone preamplifiers and phono stages in homes, studios, and live stage applications. It depends on how that tube is implemented within the piece of gear. There is no question in my mind that this is a very fine sounding preamplifier. Groove Tubes GT-12AU7 - ECC82 Select Preamp Tube Model: 555-0112-417.