PPI Precision Power PPI2150M right channel sound low

[sonus movens]

No one have idea if they are equivalent?

 

[tsmith1315]

Yes, it's a standard general purpose op amp- nothing special. Swap them out.

 

[sonus movens]

Bingo! The problem was in the inverting op amp 4558c. Now both channels are ok. I want to thank all the guys that helped me, your contribution was essential. Thank you very much.