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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: MA-2 MK II.3 has 60Hz Hum...Please Help... posted by Tufwheel on October 23, 2005 at 12:33:00:
Thats sounds like a common grounding or filter cap problem..If they are using circuit boards they might have a solder connection thats needs resoldering..OTL amps are some of the best sounding I have ever heard but they do have problems with tube sockets and arcing..You may have a bad solder connection is all.My acoustat servo amps and my futtermans always used to have problems with resistors and tube sockets failing.If one of the grounds has a bad solder joint on one of the filtering sections,thats a good place to start.I dont think its major and those are fine amps.
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Follow Ups
- Re: MA-2 MK II.3 has 60Hz Hum...Please Help... - MIchael Samra 20:39:17 10/25/05 (1)
- Re: MA-2 MK II.3 has 60Hz Hum...Please Help... - Lew 07:44:43 10/27/05 (0)
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