Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes Valves February 22 2022 new in box GE 12CX6

new in box GE 12CX6 tubes tested to spec on our Paul Hart-calibrated TV7/U

They have shoulder / ST / Coke bottles and dimpled-sheet getters

new in box milspec black plate GE JAN-6Y6GT / JAN-CG-6Y6GT tubes tested to spec on our Paul Hart-calibrated TV7/U

This RCA 5W4 tested 38/37 on our Paul Hart-calibrated TV7/U where minimum (65%) is 40/40 and 100% is 62/62

new in box RCA Black Plate 6BK7B tube tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes Valves February 22 2022 new in box GE 12CX6This matched pair of Philips Miniwatt PCF80 9U8 tubes was tested on our Paul Hart calibrated TV7 for shorts, gas and transconductance. There were no shorts or gas. They measured 102 83 for Tube One and 104 78 for Tube Two where minimum (65%) is 57 57 and 100% is 88 88. 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