SKU:96182467648
6 US-Made 6S4 6S4A Vacuum Tubes Valves Lot Of Six
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Ships within 48 hours · Estimated delivery Sep 30 - Oct 5
Description
6 US-Made 6S4 6S4A Vacuum Tubes Valves Lot Of SixThese six US made 6S4A tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measure as follows: 40, 51, 64, 66, 74 and 80 where minimum (65%) is 52 and 100% is 80. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY
came from an excellent lot and should work fine
There are three new old stock
Transconductance measured 41/49 for Tube One and 44/44 for Tube Two where minimum (65%) is 32/32 and 100% is 49/49
There were made by Sovtek's predecessor during The Cold War and
These are beautiful tubes
60 and 63 where minimum (65%) is 40 and 100% is 62
Tube One measured 30 while Tube Two measured 32 where minimum (65%) is 22
Top: smooth
I am playing them now in my Mini 2013 as I write and they sound excellent
5-8 out of 10
These two photomultiplier tubes could not be tested and are sold as-is
This perfectly-matched pair of RCA Radiotron type 76 triodes was tested on our Paul Hart-calibrated TV7/U for shorts
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