12AU7 is a medium gain dual triode. Due to the combination of low grid-plate capacitance and medium gain, it is suited for use in audio voltage amplifier with extended range.
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.
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.
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.
12AU7 Ei Silver Bullet is based on Philipps design, providing excellent sonic at a very cost effective price point. We currently have grey plates in stock.
Excellent 12AU7 offering from Ei. 12AU7 Ei Elite-Gold is a factory selected, gold plate pin replacement for any 12AU7. It compares well to NOS 12AU7 in HiFi application, offering balanced sonics.
Out of stock
12AU7 / ECC82 NOS OFFERINGS
The 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.
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.
Originally designed for computer switching applications, 5963 is a highly linear replacement for 12AU7, but with lower plate voltage. It is a low cost alternative to NOS 12AU7. Manufacturers may vary.
12AU7 is a medium gain dual triode. Due to the combination of low grid-plate capacitance and medium gain, it is suited for use in audio voltage amplifier with extended range.
