![Strange jagged sine wave on o-scope when setting gains = reason for lackluster SQ and why I couldn't set by ear? Something wrong with my amp or my install? (pics/equipment/other details in Strange jagged sine wave on o-scope when setting gains = reason for lackluster SQ and why I couldn't set by ear? Something wrong with my amp or my install? (pics/equipment/other details in](https://i.redd.it/m2f4yacg6pz81.jpg)
Strange jagged sine wave on o-scope when setting gains = reason for lackluster SQ and why I couldn't set by ear? Something wrong with my amp or my install? (pics/equipment/other details in
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