2 European-Made 17EW8 / HCC85 Vacuum Tubes NOS NIB Lot Of Two CCV 5016 UK Pressing Transconductance measured 7240 micromhos for

Transconductance measured 7240 micromhos for Tube One and 7270 for Tube Two

It measured 80 where minimum (65%) is 50 and 100% is 77

You may have a higher tolerance for such things

This new old stock-TESTING matched pair of Sylvania silver top 6K6GT tubes was tested on our Maxi-Matcher tube tester with 325 volts on the plates and a bias of -36 volts for shorts

Tube One measured 52/52 while Tube Two measured 55/55 where minimum (65%) is 38/38 and 100% is 58/58

2 European-Made 17EW8 / HCC85 Vacuum Tubes NOS NIB Lot Of Two CCV 5016 UK Pressing Transconductance measured 7240 micromhos forThese two new old stock, new in box European MADE, GE BRANDED 17EW8 HCC85 tubes tested to spec on our Paul Hart calibrated TV7. One was made in the Netherlands and the other, the UK. It is probably a Mullard, but has GE 188 5 and a sutured top. 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 HAVE