4 RCA 6AC7 Vacuum Tubes Valves Lot Of Four 6CL6 Gebraucht 66 and 71 where minimum

66 and 71 where minimum (65%) is 42

Kenton-LABELED 14BR11 tubes tested to spec on our Paul Hart-calibrated TV7/U

This new old stock-testing matched pair of milspec Raytheon black glass VT-107-A / JAN-CRP-6V6-GT output tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volts for shorts

Transconductance measured 40/40 for Tube One and 42/46 for Tube Two where minimum (65%) is 32/32

Please see Picture Four

4 RCA 6AC7 Vacuum Tubes Valves Lot Of Four 6CL6 Gebraucht 66 and 71 where minimumThis lot of four RCA 6AC7s was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they measured as follows: 41, 44, 44 and 46 where minimum (65%) is 30 and 100% is 47. WE HAVE TENS OF THOUSANDS 0F VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUR 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 QUESTIONS. 1.