2 x 6sn7gtb RCA Tubes. Tested on Enhanced Triplet E3444 Laboratory Tester prepared by Paul Hart of Roswell Ga. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable.
Item Tag: 6SN7GTB
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Raytheon 6SN7GTB vacuum tubes tested & guaranteed
Raytheon 6SN7GTB Vacuum Tubes. For sale I have a pair of identical US made Raytheon 6SN7GTB vacuum tubes. Tubes carefully tested for transconductance, shorts, gas, life and leakage. No tube is sold that has any gas, leakage or fails life and strength tests.
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2 x 6sn7gtb RCA Tubes*Black Plates-D*Clear Glass*Very Strong Matched Pair*#15
2 x 6sn7gtb RCA Tubes. Tested on Enhanced Triplet E3444 Laboratory Tester prepared by Paul Hart of Roswell Ga. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable.
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CBS Hytron 6SN7GTB Vacuum Tube Made in USA Tested 2000/2200
Recorded test results: 2000 / 2200. The original tester notation remains written directly on the glass and is shown clearly in the photos. Tube has a clean-looking internal structure, strong base lettering, and light age-related oxidation/tarnish on the pins.
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(2) Tung-Sol Motorola 6SN7GTB Tall Bottle Black Plates Horseshoe Getters Strong
(2) Tung-Sol Motorola 6SN7GTB Tall Bottle Vacuum Tubes | Black T Plates | Horseshoe Getters. Tested on an Amplitrex AT1000.
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Sylvania 6SN7GTB Vacuum Tube Red Print USA 2500/2400 Estate Tested
● Sylvania 6SN7GTB vacuum tube. Prior-owner test readings written directly on the glass are 2500 / 2400. NOTE: Original handwritten identification and test notes shown on the tube, box, or storage bag are from the late William “Billy” Odell’s personal collection and records.
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QUAD NOS NIB CBS 6SN7 GTB TUBES ALL TESTED over 100% DATED 1960
Minimum for a good 6SN7 is 50. Four NOS NIB CBS 6SN7GTB Tubes from a partial case. All dated 6052. 52 week of 1960. These were part of a NOS Case. Excellent tubes. These are NOS Tests!
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2, NEW, Westinghouse 6SN7GTB, TALL bottle, 1964, matching pair, 6SN7GT
Two, new in box, Westinghouse 6SN7GTB tubes. Opposing flat, grey plates, TALL bottle, upper halo getter. Outstanding sonics. The 6SN7GTB can be used in all applications calling for the 6SN7GT and 6SN7GTA.