5 General Electric GE 6SF7 Vacuum Tubes Lot Of Five Type Sextal T18 This trio of Toshiba output

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

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They tested as follows: 53

Transconductance was 1370 for Tube One (Admiral-LABELED

5 General Electric GE 6SF7 Vacuum Tubes Lot Of Five Type Sextal T18 This trio of Toshiba outputThese five GE 6SF7 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They tested as follows: 56 32, 66 35, 74 55, 77 52 and 82 48 where minimum (65%) is 50 40. 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.