5 RCA 14Q7 Vacuum Tubes NOS NIB Lot Of Five 7AH7 Sylvania NOR IS THERE A WAY

NOR IS THERE A WAY TO DETERMINE WHETHER THEY MAY HAVE FATAL FLAWS

new in box GE 6AS8 tubes tested to spec on our Paul Hart-calibrated TV7/U

Both measured 62 where minimum (65%) is 34

Transconductance readings are 26

This trio of Toshiba output tubes was tested on our Maxi-Matcher in Real World Conditions with 400 volts on the plates and a bias of -36 volts for shorts

5 RCA 14Q7 Vacuum Tubes NOS NIB Lot Of Five 7AH7 Sylvania NOR IS THERE A WAYThese five new old stock, new in box RCA 14Q7 tubes tested to spec in our Jackson 648 Mutual Conductance tester. 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 PROTECTION COVERS