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In Reply to: MB3045 KT88 Bias Levels posted by geraldm121 on June 18, 2009 at 08:00:23:
Jerry, hi. I have been working on the Luxman MB-3045 since buying a new pair circa 1982. Yes, 50 mA in the Lux update service documents. Did you see the changes in the feedback RC network? Are your amps using triode tied KT-88 or are you running them with specific screen B+? Don't give up on them. MB-3045 are among the best push-pull amps I have ever heard. In the aftermath of the 3045 US introduction and the 8045G fiasco there were lots of mods. Futterman used 6LF6. Underground Sound used EL34. GSI had mods too. Good 6LF6 are almost extinct. Tim deP wrote me 20+ years ago during my quest for reliable 3045 information and said the amps were offered in JP with a choice of tubes including KT-88/6550. I have used original TungSol with good effect. I have winged =C= in them at the moment. If you want to chat let me know. Glad to do it.
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Follow Ups
- KT-88 bias in MB-3045 - elektron 06/18/0911:43:39 06/18/09 (5)
- RE: KT-88 bias in MB-3045 - geraldm121 13:45:17 06/18/09 (4)
- RE: KT-88 bias in MB-3045 - elektron 20:10:59 06/18/09 (2)
- RE: KT-88 bias in MB-3045 - geraldm121 00:26:58 06/19/09 (1)
- RE: KT-88 bias in MB-3045 - elektron 04:57:31 06/19/09 (0)
- RE: KT-88 bias in MB-3045 - Caucasian Blackplate 15:20:07 06/18/09 (0)