Description
EL34 Electro Harmonix POWER TUBES Matched Pair Hickok Tested (79% NOS) . Closely matched at 450 plate volts (65.9ma and 66.8ma) Tested per user manual procedures on recently calibrated Hickok 6000A. Test results will vary between testers. Passed all tests: Filament Continuity Test: Passed Shorts Test: Passed Quality Test: Passed Mutual Conductance Test: 4800 & 4700 / 6000 (NOS MINIMUM) Gas (Grid Current) Test: Passed Life Test: Will combine shipping. Also tested in THD Bi Valve Guitar amp for performance and sound at operating voltage.