Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes Valves 13GB5 Plate Cap

Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes Valves 13GB5 Plate CapThis 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

top mica spacers with smooth-sided rectangular bottom mica spacers

top mica spacer and a bottom

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

but the bottle is firmly-cemented to it and there is no movement at all possible

Special Features: ANODE RADIATORS (for cooler operation and longer tube life)

new in box Sylvania 6V4 / EZ80 rectifier tube tested to spec on Paul Hart-calibrated TV7/U

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

This is a testament to their high emissions

This tube has anode radiators for cooler operation and longer tube life

but also have much lower gain

I’m playing it now in one of my Radio Craftsman mono blocks and it sounds great

rounded dark-gray plates