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In Reply to: RE: Please help to ID Raytheon 6SN7GT tube posted by tlowe on September 4, 2021 at 00:46:38:
Most manufacturers did contract work for others. Your black glass tube does have the Raytheon 280 code, so it is definitely a Raytheon manufactured tube. A very rare bird, have never seen an example of that tube before.
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Follow Ups
- RE: Please help to ID Raytheon 6SN7GT tube - Mendel 06:01:55 09/04/21 (2)
- RE: Please help to ID Raytheon 6SN7GT tube - tlowe 06:37:07 09/04/21 (1)
- RE: Please help to ID Raytheon 6SN7GT tube - Ed Sawyer 10:28:20 10/19/21 (0)