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Matched Pair RCA 12SL7 12SL7GT Vacuum Tubes NOS NIB Dylan Thomas TV7/U readings are in (parenthesis)
Matched Pair RCA 12SL7 12SL7GT Vacuum Tubes NOS NIB Dylan Thomas TV7/U readings are in (parenthesis)
$640.12
Description
TV7/U readings are in (parenthesis)
These tubes have mica snubbers for increased stability and lowered microphonics
new in box Sylvania / Sylvania-MANUFACTURED 6SR7 tubes tested to spec on our Paul Hart-calibrated TV7/U
but with some wear
smooth mica spacer and outstanding flashing
Matched Pair RCA 12SL7 12SL7GT Vacuum Tubes NOS NIB Dylan Thomas TV7/U readings are in (parenthesis)This new old stock, new in box matched pair of RCA 12SL7 12SL7GT dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 48 48 for Tube One and 52 46 for Tube Two where minimum (65%) is 32 32 and 100% is 49 49. These tubes have dark, gray plates and bottom, D getters. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE
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