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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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Bought a "matched pair" of TJ Full Music 6SL7 on eBay, from a seller in Taiwan (yes, yes, I know - those are risks we take, feeling some security provided by PayPal and credit card issuer).
These are input tubes in a tube amp I recently acquired. After leaving them fired up overnight, in a burn-in mode provided by amplifier, they provide very low volume, and huge amount of distortion. Needless to say, some vintage RCA's the amp came with, provide ample volume and no distortion.
The new tubes continue to cook, but - is this normal? Abnormal? How long before they settle in, if it's normal?
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Topic - How long of a burn-in, before declaring tubes defective, and asking for a refund? - carcass93 09:20:00 01/15/15 (17)
- Quick update: tubes ARE junk, opened the case through eBay. - carcass93 09:42:56 01/16/15 (2)
- Might let us know who the seller is... - Ivan303 09:51:09 01/17/15 (0)
- RE: Quick update: tubes ARE junk, opened the case through eBay. - Triode_Kingdom 13:09:44 01/16/15 (0)
- RE: How long of a burn-in, before declaring tubes defective, and asking for a refund? - Jim McShane 12:52:56 01/15/15 (5)
- Somewhat OT, but... - E-Stat 14:04:19 01/16/15 (1)
- RE: Somewhat OT, but... - Jim McShane 09:39:34 01/17/15 (0)
- I did not. That seems reasonable - will do as soon as get home - carcass93 13:03:17 01/15/15 (2)
- RE: I did not. That seems reasonable - will do as soon as get home - Jim McShane 14:05:59 01/15/15 (1)
- RE: I did not. That seems reasonable - will do as soon as get home - Sondek 14:13:02 01/15/15 (0)
- Is it possible ... - Sondek 12:51:27 01/15/15 (5)
- Easy enough (not sure if safe?) to check - driver tubes in my amp are 6SN7. - carcass93 13:07:35 01/15/15 (4)
- RE: Easy enough (not sure if safe?) to check - driver tubes in my amp are 6SN7. - duffman 17:17:04 01/15/15 (3)
- RE: Easy enough (not sure if safe?) to check - driver tubes in my amp are 6SN7. - Tre' 19:03:24 01/15/15 (2)
- Correct. N/T - carcass93 20:14:55 01/15/15 (0)
- RE: Easy enough (not sure if safe?) to check - driver tubes in my amp are 6SN7. - duffman 19:33:59 01/15/15 (0)
- RE: How long of a burn-in, before declaring tubes defective, and asking for a refund? - Caucasian Blackplate 11:59:15 01/15/15 (0)
- Can't speak for your specific tubes... - Ivan303 10:39:11 01/15/15 (0)
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