Ruby TU12AX7ACZHG (E83CC Gigh Grade) Preamp / Rectifier Tubes - Ideal for microphonics, gain an low noise.
Hand-picked Tesla with lower gain and a full, robust tone. All Ruby output tubes are labeled on the base with the exact matching measurements for plate current and transconductance. By matching these parameters, optimal performance and long life are ensured. Comes with a 6-month replacement warranty.
Ruby ECC83 Preamp / Rectifier Tubes - Hand-picked Tesla with lower gain and a full, robust tone. All Ruby output tubes are labeled on the base with the exact matching measurements for plate current and transconductance. By matching these parameters, optimal performance and long life are ensured. Comes with a 6-month replacement warranty.
- Lower gain, full robust tone
- Labeled on the base with plate current and transconductance
- Matched parameters for optimal performance and long life
- 6-month replacement warranty
