Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes Valves 13GB5 Plate Cap This is a testament to

This is a testament to their high emissions

These seven Ken-Rad 12K8 tubes tested to spec on our Paul Hart-calibrated TV-7/U

This lot of six GE 6AC7s was tested on our Paul Hart-calibrated TV7/U for shorts

but also have much lower gain

rounded dark-gray plates

Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes Valves 13GB5 Plate Cap This is a testament toThis 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 100 78 for Tube One and 102 80 for Tube Two. Minimum (65%) is 57 57. 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