12AU7 tube is a medium gain dual triode.
Due to the combination of low grid-plate capacitance and medium gain, 12AU7 is well suited for use in audio voltage amplifier with an extended frequency range.
ECC82 is the European numbering for the 12AU7 tube. ECC82 and 12AU7 are the same tubes.
12AU7 was very popular, and many variations were produced. We stock these 12AU7 variants for those who are looking to try something different in place of 12AU7 tubes.
The 5814A tube is a military and industrial grade 12AU7 with low noise and high-reliability spec. The 5814A tubes were used in communications equipment, and are designed for long life and low microphonics.
5963 is a 12AU7 with long-life cathode meant for use in vacuum tube computers.
- JJ/Tesla 12AU7/ECC82Out of stock
- JJ/Tesla 12AU7/ECC802SOut of stock
- GE 12AU7/5814A 5 StarOut of stock
- Various 12AU7A USOut of stock
- RCA 12AU7-RCA USED Clear Top$25.00
- Mullard 12AU7Out of stock
- Various 12AU7/5814A US Made$27.00
- Various 12AU7/6189$27.50
- Various 12AU7/5814A US Triple Mica$28.00
- Various 12AU7/5814A Black Plate$29.00
- Electro-Harmonix 12AU7Out of stock
- RCA 12AU7-RCA$33.00
- TungSol 12AU7WOut of stock
- JJ/Tesla 12AU7/ECC82 GoldOut of stock
- Sylvania 12AU7A$37.00
- JJ/Tesla 12AU7/ECC802S GoldOut of stock
- Electro-Harmonix 12AU7 GoldOut of stock
- RFT 12AU7/ECC82$49.00
- CIFTE 12AU7LCOut of stock
- RCA 12AU7-RCA Clear TopOut of stock
- Genalex 12AU7 Gold LionOut of stock
- JJ/Tesla 12AU7/ECC82 Matched PairOut of stock
- JJ/Tesla 12AU7/ECC802S Matched PairOut of stock
- Mullard 12AU7 Matched PairOut of stock
- Various 12AU7/5814A US Made Matching Pair$58.00
- Various 12AU7/6189 Matched Pair$59.00
- Electro-Harmonix 12AU7 Matched Pair$64.00
- TungSol 12AU7W Matched Pair$74.00
- JJ/Tesla 12AU7/ECC82S Gold Matched PairOut of stock
- Sylvania 12AU7A Matched Pair$78.00
- JJ/Tesla 12AU7/ECC802S Gold Matched PairOut of stock
- Electro-Harmonix 12AU7 Gold Matched PairOut of stock
- RFT 12AU7/ECC82 Matched Pair$102.00
- CIFTE 12AU7LC Matched PairOut of stock
- RCA 12AU7-RCA Clear Top Matched PairOut of stock
- Genalex 12AU7 Matched Pair Gold LionOut of stock