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Any techies here ....

Hi guys I have a macrotech 2400 that’s developed a really horrible distortion on channel two.
Would this be down to one of the big reservoir caps being faulty or is there a more obvious common problem that causes this please any help gratefully received
Regards sean


  • Possible output driver failure; check the low value (.2R/5W) power resistors; There are also some 5R6 to inspect in the bias circuitry.


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