- 12AX7 variation from Sovtek.
- 12AX7 / ECC83.
- Excellent reliability
- Good in high gain applications.
- Made in Russia.
This seems to be one of the most reliable 12AX7 tubes on the market. In addition to that it has the standard Sovtek slightly more gain characteristics. Add 3+ of any tube in our collection and get an auto 5% discount.