Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes Valves 12 Volt Listed These two National Union clear

These two National Union clear bottle type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U:

noise or gas and it tested as follows:

" Tube one has a brown base and 59-43 date codes while Tube Two has 1-17 date codes and a black base

side harp getters

Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes Valves 12 Volt Listed These two National Union clearThis 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