Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes Valves

Matched Pair Philips Miniwatt PCF80 9U8 Vacuum Tubes ValvesThis 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

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There were no shorts or gas and they measured 45/45

It was dead quiet when the CD player is paused and had excellent frequency response

This matched pair of RCA black plate 6K6GT tubes was tested on our Maxi-Matcher tube tester with 325 volts on the plates and a bias of -36 volts

48 and 51 where minimum (65%) is 32 and 100% is 49

This lot of four European PCL805 tubes was tested on our Paul Hart-calibrated TV7/U

WE BUY TUBES IN BULK

US Army Signal Corps SC278A contract codes and two additional support rods per tube for increased rigidity and lowered microphonics

I am playing them as I write in my Sound Craftsmen SC-2 mono-block amplifiers with Neil Young's "Harvest" and they sound outstanding

new in box Telefunken PL82 tube tested to spec on our Paul Hart-calibrated TV7/U

crenelated

new in box matched pair of Sylvania gray glass 7C5 tubse was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volt for shorts