Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: EL84 Type Question posted by Joe Backer on August 23, 2023 at 12:16:51:
Look for an etched code near the bottom - often faint. Some early ones in between the pins. This identifies factory and date (if it's a Philips division).
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Follow Ups
- RE: EL84 Type Question - Tom Bavis 16:07:04 08/23/23 (0)