[DCU]

I'm going to add 2 dedicated circuit breakers to a Square D breaker panel tomorrow.
One will be to a pair of Odyssey Extreme Mono Block SE's. Should I use a 15 amp or 20 amp breaker for the amps? The other will be to feed the front end electronics, same question, 15 amp of 20 amp? The front end contains; Pre-Amp, Turntable's power supply, Cassette Deck, CD Player and (at some point a Tuner) My third and final question is: Should the circuit breakers be stacked (position-wise in the breaker panel) or across from each other. I seem to remember something about phase and either having them in different phases or the same phase but, its been too long since I read it and I don't recall what the post said was the optimal way to do it.
 Any and all assistance would be appreciated, thanks.

[mjosef]

If new circuit runs...20A with 12Ga. min. wire. The consensus seems to be on the same phase, so stacked one above/below the other for full size breakers.

[djbnh]

I'm going to add 2 dedicated circuit breakers to a Square D breaker panel tomorrow.
One will be to a pair of Odyssey Extreme Mono Block SE's. Should I use a 15 amp or 20 amp breaker for the amps? The other will be to feed the front end electronics, same question, 15 amp of 20 amp? The front end contains; Pre-Amp, Turntable's power supply, Cassette Deck, CD Player and (at some point a Tuner) My third and final question is: Should the circuit breakers be stacked (position-wise in the breaker panel) or across from each other. I seem to remember something about phase and either having them in different phases or the same phase but, its been too long since I read it and I don't recall what the post said was the optimal way to do it.
 Any and all assistance would be appreciated, thanks.

I went with 20A dedicated circuits: kept the amps on one, all other gear (pre, TT, etc) but digital on another, and the digital on its own. Works for me.