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In Reply to: RE: Do All Phillips Ecc83 Have Etched Codes? posted by gradEHoser on October 28, 2016 at 13:27:32
My WAG:EO = ECC803S or E83CC
3(?) [not equal sign] = third type? Siemens/Halske, Munich plant
B(?) 7 = February, 1967 (or 77)
Edits: 10/28/16Follow Ups:
mt
Sweet. I can't see it but I'll take your word on it. As long as it's not a knock off, I feel better.
You never know with EBAY.
Hopefully this is an upgrade from a Tungsram tube tho I didn't spend much $$$ to find out. Cheers pal!
Photo of etched code for E88CC. Note how Siemens/Halske often puts code in sideways arrangement.8^)
Edits: 10/28/16
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