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/ECC82$10.40
- Electro-Harmonix 12AU7$12.95
- JJ/Tesla 12AU7/ECC802S$15.00
- Various 12AU7A US$18.00
- Electro-Harmonix 12AU7 Gold$19.00
- TungSol 12AU7W$19.00
- Various 12AU7/5814A US Made$20.00
- Various 12AU7/6189$20.00
- RCA 12AU7-RCA USED Clear Top$20.00
- Mullard 12AU7$20.00
- Various 12AU7/5814A US Triple Mica$21.50
- Various 12AU7/5814A Black Plate$22.00
- GE 12AU7/5814A 5 StarOut of stock
- JJ/Tesla 12AU7/ECC82 Gold$24.45
- JJ/Tesla 12AU7/ECC802S Gold$26.00
- Sylvania 12AU7A$29.00
- RFT 12AU7/ECC82$29.50
- RCA 12AU7-RCA$33.00
- Genalex 12AU7 Gold Lion$43.50
- CIFTE 12AU7LCOut of stock
- RCA 12AU7-RCA Clear TopOut of stock
- JJ/Tesla 12AU7/ECC82 Matched Pair$24.80
- Electro-Harmonix 12AU7 Matched Pair$29.90
- JJ/Tesla 12AU7/ECC802S Matched Pair$34.00
- Electro-Harmonix 12AU7 Gold Matched Pair$42.00
- TungSol 12AU7W Matched Pair$42.00
- Mullard 12AU7 Matched Pair$44.00
- Various 12AU7/5814A US Made Matching Pair$44.00
- Various 12AU7/6189 Matched Pair$44.00
- JJ/Tesla 12AU7/ECC82S Gold Matched Pair$52.90
- JJ/Tesla 12AU7/ECC802S Gold Matched Pair$56.00
- Sylvania 12AU7A Matched Pair$62.00
- RFT 12AU7/ECC82 Matched Pair$63.00
- Genalex 12AU7 Matched Pair Gold Lion$91.00
- CIFTE 12AU7LC Matched PairOut of stock
- RCA 12AU7-RCA Clear Top Matched PairOut of stock