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In Reply to: what KT88's for my McIntosh MC60s? posted by centaurus3200 on March 13, 2007 at 13:09:15:
If you've seen other posts from me, I'm an advocate of restoration prior to dealing with tube issues.In general, if the power supply had been rebuilt and the bias is set correctly, then you shouldn't be having equipment-related issues and it really is an output tube problem. I know as I've rebuilt enough of these old amps to know the difference.
To your specific question, I am using EH KT-88s in a set of recently-rebuilt MC-75s. The tubes are from Jim McShane. They're reasonably priced, IMHO, and I know they've really been tested - and properly at that. That's all I ask from a tube and its supplier. They are singing with authority through the Mighty UREI 813s as I write this.....
So, what's the status of the MC-60s, then?
Cheers,
David
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Follow Ups
- What makes you sure its the tubes? - doodlebug 16:56:34 03/13/07 (8)
- they have been rebuilt - centaurus3200 17:07:54 03/13/07 (7)
- Re: they have been rebuilt - Michael Samra 22:10:27 03/14/07 (0)
- MC-60s might need front end tubes - Interstage Tranny 18:16:55 03/13/07 (5)
- Re: MC-60s might need front end tubes - Michael Samra 01:02:27 03/14/07 (0)
- seleniums are gone - centaurus3200 18:45:11 03/13/07 (3)
- ha, ha - am i on crack? - centaurus3200 14:39:24 03/14/07 (2)
- Re: Selenium Rectifier is Used in MC60 Bias Supply... - Steve O 15:03:39 03/14/07 (1)
- okay, i'll check. pretty sure it was replaced though (nt) - centaurus3200 15:07:48 03/14/07 (0)
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