2 US-Made 14A4 Vacuum Tubes NOS NIB Lot Of Two 6GY6 Nonal They measured 31

They measured 31

35 and 43 where minimum is (65%) is 36 and 100% is 55 and 100% is 55

This almost-perfectly-matched pair of Sylvania black plate 6C4 triodes was tested on our Paul Hart-calibrated TV7/U for shorts

gas and transconductance with 400 volts on the plates and a bias of -48 volts

Tube One drew 26

2 US-Made 14A4 Vacuum Tubes NOS NIB Lot Of Two 6GY6 Nonal They measured 31These two US made 14A4 tubes tested to spec on our Paul Hart calibrated TV 7 U. Sorry about the boxes; they were very brittle. 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 ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE