Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes Valves 12 Volt Listed Transconductance measured 67 in Section

Transconductance measured 67 in Section One and 70 in Section Two for Tube One and 71/72 in Tube Two where minimum (65%) is 50/50 and 100% is 77/77

Tube Three measured 76/76 where minimum (65%) is 50/50 and 100% is 77/77

IN WELL OVER 8000 SALES

chamfered O getters and rectangular radiators for cooler operation and longer tube life

This lot of four Tung-Sol coated glass 50L6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes Valves 12 Volt Listed Transconductance measured 67 in SectionThis matched pair of Philips Miniwatt PCF80 9U8 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 85 66 for Tube One and 85 70 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 "LOWTECHELEC" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT