3 General Electric GE 6SK7 Vacuum Tubes Lot Of Three Type Pental These four US-made 12SC7 tubes

These four US-made 12SC7 tubes tested as follows on our Paul Hart-calibrated TV7/U:

This new old stock-testing lot of six Tung-Sol black glass 6K6GT tubes were tested on our Maxi Matcher 2 with 325 volts on the plates and a bias of --36 volts for shorts

6 for 6SN7s

WE MAYHAVE IT

red tip (low noise) 6CG7 / 6FQ7 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

3 General Electric GE 6SK7 Vacuum Tubes Lot Of Three Type Pental These four US-made 12SC7 tubesThese three GE MANUFACTURED, Delco BRANDED 6SK7 tested as good on our Paul Hart calibrated TV7 U. Transconductance readings are 46, 54 and 65 where minimum (65%) is 48. 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