Vintage RCA JAN 6SN7GT VT-231 Vacuum Electron Tube Smoked Glass J7
Item Tag: 6SN7GT
(2) MATCHED Sylvania 6SN7 GT ~ 3-Hole Black T Plate Bad Boy Tubes ~ TEST STRONG!
(2) MATCHED Sylvania 6SN7 GT. Up for sale is an ULTRA RARE MATCHED PAIR of Sylvania black plate 6SN7 GT tubes. Black “T” plates. Manufactured in 1953! Also known as a VT-231 tube type. 3-Hole Black T Plate Tubes.
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(2) National Union 6V6GT Power Tubes Black Glass Black Plates Test NOS Amplitrex
Tests NOS on an Amplitrex AT1000. Tube 1 Emissions 128% | GM 95%. Tube 2 Emissions 93% | GM 100%.
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Tung Sol JAN-CTL-6SN7GT VT-231 Round Plate Triode Amplifier Tube Tested 26-18
One used Tung-Sol Round plate JAN-CTL-6SN7GT VT-231 tube. Base has a tight crack that you can see in the pictures. This does not affect performance.
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Sovtek Vacuum tube Gain Tung-Sol Reissue 6SN7GT Vacuum Tube ch8c vll79
6SN7 6SN7GT. Tung-Sol Reissue 6SN7GTVacuum Tube. At Shellmrks Our Door is Always Open.
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Pair of Vintage ‘Philco’ Brand 6SN7 GTB Tubes, Both Tested Strong (95, 97)
here we have two ‘Philco’ brand vintage vacuum tubes. Both are 6SN7 GTB, however, one has three black plates and a chrome top and the second has two grey plates. As the above mentioned, the two- plate tube tested at 97, with the second, three – plate tube testing 95. Both are in the green “good”a section
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Matched Pair +1 Sylvania 6SN7 Staggered Black Plate Tubes Balanced STRONG 3pcs
Note – there are no markings on the glass, the markings have faded or rubbed-off. Sylvania 6SN7GT. Matched Pair +1.
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(2) MATCHED Sylvania 6SN7GT VT-231 Military Black T Plate Tubes ~ TEST @ 134%+!
Up for sale is an ULTRA RARE MATCHED PAIR of Sylvania black plate 6SN7 GT tubes. Black “T” plates. U.S. military issue. Also known as a VT-231 tube type. These have had very little (if any) use at all!
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(2) Sylvania 6SN7GT Chrome Dome 3 Hole Black Plate Matched Codes 1953 Strong
Tube 1 Emissions 82% & 90% | GM 107% & 107%. Tube 2 Emissions 81% & 81% | GM 100% & 103%.
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6SN7GT Vacuum Tube Replace 6SN7 CV181 6N8P CHINA STRONG! (TESTED W/ TV-7D/U)
6SN7GT Vacuum Tube Replace 6SN7 CV181 6N8P CHINA STRONG! (TESTED W/ TV-7D/U) All tubes were tested with my (calibrated by Dan Nelson the TV7 Master) TV-7D/U ! Please look carefully at all photos and bid accordingly 100% Positive Feedback! Availability: In Stock and ready to ship. FAST SHIPPING!!!