(!!!) (Best Pair) 1625=VT-136 National Union NOS 1943-1944 (87/40 and 90/40)
$ 21.99
1 pair) 1625=VT-136 National Union NOS 1943-1944
1 tube) 90/40 (JAN-CNU-1625)
1 tube) 87/40 (US-Navy-CNU-1625) a few vertical scratches on base
Tested on TV-7
(1625=807 with 12.6V @ 450ma filament and 7 pin base, common in WWII Transmitters)
- ELKIN linear amp
See more: vacuum tube
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 (Best Pair) 1625=VT-136 National Union NOS 1943-1944 (87/40 and 90/40) "Pin It")