12AU7 / ECC82
The 5814A is a military/industrial grade 12AU7. Some versions of 5814 tubes have thicker micas and supporting rods to minimize microphonics. 5963 is a version of 12AU7 designed for use in vacuum tube computers.
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Designed after original GE6189 tube, 12AU7EH offers low microphonics and high linearity at a very reasonable price point.
Price is for a matching pair of 12AU7EH.
We have had many request for this tube. 12AU7/ECC82 Gold from Electro-Harmonix is factory selected, gold pin version of 12AU7EH, offering consistent performance and close tolerances.
Price is for a matching pair of 12AU7/ECC82 EH Gold.
TungSol 12AU7W / 6189
The price is for matched pair of TungSol 12AU7W/6189.
Price is for a triode matched TungSol RI 12U7W/6189.
JJ 12AU7/ECC82 has similar construction to their legendary 12AX7/ECC83. Thick glass for lower microphonics in guitar amps, sturdy, and receives well deserved positive reviews.
Price is for a matched pair of 12AU7 JJ.
JJ 12AU7/ECC82 has similar construction to their legendary 12AX7/ECC83. Thick glass for lower microphonics in guitar amps, sturdy, and receives well deserved positive reviews. -Triode Matched
Gold pin version of 12AU7/ECC82 JJ.
Price is for a conductance matched pair (two tubes) of 12AU7/ECC82 JJ gold pin.
New from JJ Electronics, this is a long plate version of 12AU7/ECC82.
Price is for a conductance matched pair (two tubes) of JJ ECC802S.
Gold pin version of 12AU7/ECC802 JJ.
Price is for a conductance matched pair (two tubes) of 12AU7/ECC802 JJ gold pin.
NOS OFFERINGSThe following is NOS and vintage tubes in this category. Due to the scarcity of some items, inventory will change constantly, so please check back often. Be sure to check out our NOS terms.
The photos of NOS tubes are representative samples and actual NOS tube shipped may vary. "Various" means we have multiple brands in stock.
We have various brands in stock. Please also see our 12AU7 section for complete list of other brands or types we stock.
This 12AU7 was made in early 1960s by French manufacturer Mazda/CIFTE.
This 12AU7 was made in early 1960s by French manufacturer Mazda/CIFTE. Price is for a matched pair of 12AU7LC CIFTE NOS.
Excellent sounding 12AU7 with clear top.
Price is for a matching pair (2 tubes) of RCA clear top.
These clear top 12AU7 are used but fully tested and guarateed like the NOS ones. Comes in white boxes.
This is a RCA Branded NOS 12AU7A tube.
Please note that RCA often re-branded tubes from other manufacturers. Clear top is the only 12AU7 made exclusively by RCA.
Made by RFT, which was a East German counterpart to Siemens. 12AU7/ECC82-RFT offers uncolored, neutral sonic that makes it an excellent choice for HiFi application. Logo may vary.
Price is for a matching pair of 12AU7/ECC82 made by RFT.
Sylvania grey plate 12AU7A from 1960's. Replaces any 12AU7 types.
Price is for a matched pair of 1960's Sylvania 12AU7A NOS tubes.
GE's 5 Star tubes require little introduction. We have limited quantity of double mica 5 Star 5814A in stock.
These are rare and excellent sounding ribbed black plate version of 5814A. It may have 2 or 3 micas. Sorry, no RCA.
This is the most common double mica, long grey plate version of 5814A. JAN or commercial Sylvania or Philips ECG.
Price is for a matching pair of regular US made 5814A .
This is the less common, triple mica, long grey plate version of 5814A. JAN or commercial Sylvania or GE or Philips ECG.
Originally designed for computer switching applications, 5963 is a low cost alternative to NOS 12AU7.
Price is for a matching pair of 12AU7/5963 tube.
RCA branded 5963 tube.
Similar to CV4003, military grade 12AU7.
Price is for a matched pair of 12AU7/6189 NOS tube.
- 12AT7 / ECC81
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