NEW NOS NIB Matched Pair SYLVANIA 5Y3GT BLACK PLATE TUBE TV-7 Tested USA
TESTED NOS NEW NIB ! Matched Pair! Audio Tube AMP Amplifier. TUBE's TEST RESULT's BLACK PLATE. TV-7/u Tested ! TESTED WITH a (TV-7/U) FOR GAS, SHORTS, AND MUTUAL CONDUCTANCE AND ARE MOSTLY STRONG TUBES!