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Well, my Vacuumstate takes 6, count em, 6, 6922...needless to say, I've almost given up on finding old goodies for them, cuz it just gets way too expensive. 12AX7 (also known as ECC83) is a vacuum tube that is a miniature dual triode - 6AV6 with high voltage gain. It was developed around 1946 by RCA engineers in Camden, New Jersey, under developmental number A-4522. It was released for public sale under the 12AX7 identifier on September 15, 1947. The E88CC is a substitute for the 6922. The ECC88 is a substitute for the 6DJ8. The 6922 has a max voltage of 220 volts. The 6DJ8 has a max voltage of 120-130 volts. You can put a 6922 in a 6dj8 circuit but not the other way around.
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I became interested in the 6DJ8 for those same reasons, plus its greater linearity, which is now in question. The curves demonstrate that, for the 6DJ8/6922/ECC88/E88CC, mu is constant within 20% from 0.4mA to the end of my chart at 6mA, and the trend continues to flatten to 15mA.
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Preamp Tubes – 6922 / 6DJ8 / 7308 / PCC88 Tube Basics and FAQ. Grading and Matching. Vacuum Tube Warranty & Return Policy ... Gold Lion E88CC / 6922. From $39.95 The ECC83 Gallery 12AX7 E83CC ECC803S 7025: 5751 CV4004 CV492 B339 : The ECC83 is still the most important preamp and driver tube. My favourites are still the Telefunken types and the large plate Philips and Siemens types from th The 1967 Amperex 6DJ8 / 6922 / E88CC tubes in this precisely matched pair were made in the USA (New York factory code). They have the orange PQ label, gold pins and halo getters with wide support posts. Both tubes test as new with phono grade noise levels The TELEFUNKEN ECC83-TK is a well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers distortion with strongly defined lows, a rich mid range and clean, smooth highs. This exhibit is of earlier manufacture than ECC88 as can be seen by the logo. Also the construction is slightly different. The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 48 mm tall. References: Datasheet & 1040. Type ECC88 was first introduced in 1958. Well, my Vacuumstate takes 6, count em, 6, 6922...needless to say, I've almost given up on finding old goodies for them, cuz it just gets way too expensive. Their ECC83 is the most famous ECC83 / 12AX7 ever. Still today, the market for ECC83 is huge, with more than 2 million pieces sold yearly, mostly for guitar amplifiers, but also a good part for Hi Fi amplifiers and phono RIAAs made ever since the early 1950’s.
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Genalex Gold Lion ECC83/B759 (12AX7) dual triode preamp tube with gold pins. Made in Russia. Original Genalex Gold Lion ECC83/B759 tubes are considered among the best 12AX7 types ever made. They are hard to find and when they are available, they are expensive. They exhibit a large detailed soundstage that is sought aft
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Apr 14, 2014 · https://www.upscaleaudio.com/products... Gold Lion ECC83 / 12AX7 - Let's face it... NOS 12AX7's are getting scarce. When that happens, the price goes up.
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Mullard 12AX7 / ECC83 - Price of NOS 12AX7s got you down? This new re-issue of the famous Mullard 12AX7 made in Russia is the answer to your woes! Very low noise and microphony make this tube an excellent candidate for many touchy preamps and phonostage applications.
Tube Data Sheet Locator. Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. 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? TrANsfer ChArACTerisTiCs pLATe ChArACTerisTiCs A. F. DOUBLE TRIODE Ug(V) Ua(V)-4 -3 -2 -1 0 0 1 2 3 4 5 6 0 50 100 150 200 250 300 350 ECC83 page sheet date 1 1 1970.01 2 2 1970.01 3 3 1970.01 4 4 1970.01 5 5 1970.01 6 6 1970.01 7 FP 1999.08.14
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TWIN TRIODE, 12AX7 datasheet, 12AX7 circuit, 12AX7 data sheet : GEC, alldatasheet, datasheet, Datasheet search site for Electronic Components and Semiconductors ...
ECC83 page sheet date 1 1 1970.01 2 2 1970.01 3 3 1970.01 4 4 1970.01 5 5 1970.01 6 6 1970.01 7 FP 1999.08.14 Sep 24, 2013 · E88CC/6922 is the next member up in the 6DJ8 family. Tighter section matching, lower noise, lower microphonics, higher ratings for lifespan, designed for tougher/rougher demands of industrial equipment (government/military and manufacturers like Tektronix and HP bought these for critical areas in test equipment).
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E88CC R. F. DOUBLETRIODE Base: NOVAL U f = 6,3 V I f = 365 mA Typical characteristic: U a = 90 V U g = -1,3 V I a = 15 mA S = 12,5 mA/V R ... JJ E88CC Datasheet 2003 ... E88CC is the European Name of 6922/6DJ8. It is often used for Hi-Fi applications. It provides very smooth mids and high end with a lot of detail This new production 12AX7 / ECC83 tube is New Sensor's reissue of the famous Mullard 12AX7. From our review: "Microphonics is not an issue despite the larger that average plate structure. The transconductance on my sample was the same as two NOS samples I measured.
The TELEFUNKEN ECC83-TK is a well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers distortion with strongly defined lows, a rich mid range and clean, smooth highs. The 1967 Amperex 6DJ8 / 6922 / E88CC tubes in this precisely matched pair were made in the USA (New York factory code). They have the orange PQ label, gold pins and halo getters with wide support posts. Both tubes test as new with phono grade noise levels 6DJ8 Tubes 6DJ8, 6922 and ECC88. 6DJ8 is a twin triode tube developed as RF low noise amplifier in 1958. European designation is ECC88. 6922/E88CC are drop-in compatible high reliability version of 6DJ8. 6DJ8/6922 tubes have very high conductance which makes them ideal for small signal amplification in audio and recording equipments.