3 US-Made 12SF7 Vacuum Tubes Valves Lot Of Three Trio 6HV5A Octal You must indicate the quantity

You must indicate the quantity you want

It's a bit worn in places

These four US-made 6AB4 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box milspec RCA JAN-CRC-884 / VT-222 tubes tested to spec on our Paul Hart-calibrated TV7/U

It measured 60/57 where minimum (65%) is 40/40 and 100% is 62/62

3 US-Made 12SF7 Vacuum Tubes Valves Lot Of Three Trio 6HV5A Octal You must indicate the quantityThese US made 12SF7 tubes were tested on our Paul Hart calibrated TV7 for shorts, gas and transconductance. There were no shorts or gas. They measured 55 46, 72 50 and 72 52, respectively, where minimum (65%) is 46 40 and 100% is 85 62. 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