Help with Sansui AU-7700

sjnemo

New Member
Just picked up a very nice example of this integrated amp off of an original owner. When I bought it, the previous owner stated that he thought there was a problem with phono 1 stage, but my thoughts were as long as phono 2 worked that was OK. Other than that it worked fine and sounded great, that is, for about 2 weeks, and the right channel became weak and and somewhat distorted. I separated the pre out from the main via the switch, and hooked up the AU-7700 thru my Dynaco ST-120D, and the right channel issue went away. So I'm to assume the issue exists in the amp section of the Sansui-any thoughts on this? Could it be output transistors?
 
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