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Dynaco-Doctor Forum Welcome! Need support, you got it. Or share your ideas and experiences. |
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Dynaco-Doctor Forum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: RE: Dynaco 400 amplifier problems, posted by GP49 on February 25, 2012 at 09:53:51:
Yes, GP49, I went to www.avahifi.com and read Frank's comments on both the ST-120 and ST-400. What surprised me was his comments about the PC-28 driver boards occasionally overheating (which I can't comment on, as I never remember feeling any heat rising off of them). What he did say about the ST-120's 2N3055's was that these parts were run almost constantly just under their maximum voltage rating, which was why these parts blew so frequently. You did mention that you had access to a jig for redrilling the heat sink on an ST-400. Any chance you could make a paper pattern of it and send it to me?
Mark
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Follow Ups
- RE: Dynaco 400 amplifier problems, - macs348hemi@yahoo.com 17:00:14 02/26/12 (2)
- RE: Dynaco 400 amplifier problems, - GP49 19:56:53 02/26/12 (1)
- RE: Dynaco 400 amplifier problems, - macs348hemi@yahoo.com 09:33:51 02/27/12 (0)
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