Sovtek 12AX7 12AX7A ECC83 7025 Triple 3 Mica Vacuum Tube And Ronald Wolf 5 milliamps Plate current draw:

5 milliamps Plate current draw: 21 milliamps

They measured 40

a horseshoe getter and terrific flashing

mesh plates

They tested (from left to right) 36

Sovtek 12AX7 12AX7A ECC83 7025 Triple 3 Mica Vacuum Tube And Ronald Wolf 5 milliamps Plate current draw:This Sovtek 7025 (lower gain 12AX7 ECC83) dual triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and it measured 40 44 where minimum (65%) is 32 32 and 100% is 49 49. It has outstanding silkscreening; a third mica spacer for increased vibration resistance and lowered microphonics; was made in China; has excellent flashing and a foil getter. I am playing it in one of my ArtSound single