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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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I've seen this on a couple RCA tubes, but not others. It always seems to be marked directly under the red RCA logo. Does anybody know what this means????
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Topic - What does "DR" indicate on RCA tubes???? - vrogers3 18:22:10 09/09/03 (0)
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