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Matched Pair Silvertone 6K7 6K7GT Vacuum Tubes NOS-Testing Octal Metal T02 new in box GE 6FM7
Matched Pair Silvertone 6K7 6K7GT Vacuum Tubes NOS-Testing Octal Metal T02 new in box GE 6FM7
$10.88
Description
new in box GE 6FM7 tested to spec on our Paul Hart-calibrated TV7/U
hanging filaments and outstanding flashing
They measured (from left to right) 46
This GE-MANUFACTURED
totally unsuited for use in guitar amps or any other vibratory environment
Matched Pair Silvertone 6K7 6K7GT Vacuum Tubes NOS-Testing Octal Metal T02 new in box GE 6FM7This new old stock testing matched pair of Sylvania MANUFACTURED. Silvertone BRANDED 6K7GT tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas, Tube One measured 56 while Tube Two measured 57 were minimum (65%) is 36 and 100% is 55.
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