FatCat.Parts. Electronic Parts and Other Good Stuff
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FatCat.Parts. Electronic Parts and Other Good Stuff
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6SN7GT JAN Matched Pair VT-231 Tubes, Sylvania, 1943, New Old Stock
6SN7GT JAN Matched Pair VT-231 Tubes, Sylvania, 1943, New Old Stock
6SN7GT JAN Matched Pair VT-231 Tubes, Sylvania, 1943, New Old Stock
6SN7GT JAN Matched Pair VT-231 Tubes, Sylvania, 1943, New Old Stock
6SN7GT JAN Matched Pair VT-231 Tubes, Sylvania, 1943, New Old Stock
6SN7GT JAN Matched Pair VT-231 Tubes, Sylvania, 1943, New Old Stock
6SN7GT JAN Matched Pair VT-231 Tubes, Sylvania, 1943, New Old Stock
6SN7GT JAN Matched Pair VT-231 Tubes, Sylvania, 1943, New Old Stock
6SN7GT JAN Matched Pair VT-231 Tubes, Sylvania, 1943, New Old Stock
6SN7GT JAN Matched Pair VT-231 Tubes, Sylvania, 1943, New Old Stock
6SN7GT JAN Matched Pair VT-231 Tubes, Sylvania, 1943, New Old Stock
Sylvania

6SN7GT JAN Matched Pair VT-231 Tubes, Sylvania, 1943, New Old Stock

$165.00 $0.00

This pair of tubes match in every way I can imagine.

Here are the ways in which they match:

  • Mutual conductance of each Triode One is within 10% of the other Triode One
  • Mutual conductance of each Triode Two is within 10% of the other Triode Two
  • New old stock, in correct boxes
  • Made by Sylvania
  • Made in December 1943
  • Accepted for military use in 1944
  • Marked VT-231
  • Made in Philadelphia

Black plates.

These were tested and matched using a Hickok tester.

Test results are included with each pair.  Since test results can change based on minute variations in tester dial settings (and other variables), the tester was setup for the 6SN7GT, and then all tubes were tested using the same settings, on the same day, with no changes.  Line adjustment was checked after every fifth test to eliminate reading fluctuations as much as possible.   Each tube was allowed to warm up fully before testing.  

These are in the original Sylvania JAN boxes, which are clean and crisp.  The inner liner on some boxes will have some imperfections, but the outer sleeves are nice.  Imperfections from unboxing and reboxing are unavoidable in 80 year old thin cardboard.

These have been stored in an office environment since at least the 1950s.  

I have a limited number of these tubes, and when they are gone, that's it.

This pair will be safely packaged and shipped quickly from Mississippi.

International shipping must use eBay International Shipping.

Ships insured for full value with free shipping,