5 Ken-Rad Number Type 27 #27 Vacuum Tubes Lot Of Five 9U8 These four RCA and Cunningham

These four RCA and Cunningham number / type 27 tubes tested as low goodand good on our Paul Hart-calibrated TV7/U

GM-BRANDED 6SK7 tested as good on our Paul Hart-calibrated TV7/U

but with some wear

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 Ken-Rad Number Type 27 #27 Vacuum Tubes Lot Of Five 9U8 These four RCA and CunninghamThese five Ken Rad number type 27 tubes tested as good on our Paul Hart calibrated TV7 U. Transconductance readings are 26, 27, 31, 34 and 35 where minimum (65%) is 25. 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