Amp and preamp on same outlet?


Just how much of a no-no is this? ARC goes as far to print in their manual to say to have the amp and preamp on their own circuit. I live in an apt. and I'm forced to have both plugged into the same outlet. Cords just don't reach....How much sound quality is lost by doing this? It sounds great as is, but is there a major detriment to this? I'm curious.
audiolover718
Thanks guys- I have an LS-17 and HD220 plugged into a 20 amp line, unfortunately, this line is shared with my kitchen. This line also has the high hat lighting on it. The source equipment, is plugged into the conditioner, which is on different 15 amp circuit, around the corner on another wall. I wasn't happy with what the conditioner did to the sound of the LS 17. I tightened up the sound but made it too analytical, and lost tonal bloom.

I might try the extension cord and see what happens. But then the extension Cod may foul up the sound.
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