timb5881
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- Apr 17, 2006
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I purchased a SRM-1/MK2 that has one socket modded for pro bias. After nit is on for 5-10 minutes I get a hum in the left channel, The pro bias side is louder than the normal bias. It looks to me that all the electrolytic caps have been updated. So any ideas as to what may be causing the hum? My friend thinks it could be a rectifier or diodes needing replaced.
Also any schematics avaible for this amp? I have a copy of the SRM-1 but not the MK2 version. I also have the schematics for the pro bias upgrade mod.
Tim
Also any schematics avaible for this amp? I have a copy of the SRM-1 but not the MK2 version. I also have the schematics for the pro bias upgrade mod.
Tim
