Description
This matched pair of vintage EL84 6BQ5. These tubes were manufactured by RCA and labeled by Wards, and have been thoroughly tested using a Hickok and THD bi valve amp. Round getters. Matched pair within 9% Verified match on both Hickok tube tester and in guitar amp at 325 plate volts. Tested for noise and sound in amp. Box shows signs of wear/tears from being in storage. Tested per user manual procedures on recently calibrated Hickok 6000A. Passed all tests: Filament Continuity Test: Passed Shorts Test: Passed Quality Test: Passed Mutual Conductance Test:8000/7500 & 7900/7500 (7500 =NOS Minimum) Gas (Grid Current) Test: Passed Life Test: Passed Great sounding tubes in guitar amp.