Power conditioning for multiple dedicated circuits

Underwood Hifi has different sizes of the Core Power from 2400 watts to 3 or 600. Each has different amount of outlets

Thanks, artemus....that is exactly what I was looking for.  I will give them a call and get their recommendations.  

I ran 4 new lines to my music room. There are two wall receptacles where I removed the tab on each to have each outlet on the duplex a dedicated circuit. I have my amp, preamp and phono stage plugged into 3 and a monster power center plugged into the 4th to cover all other items(subwoofer, DAC, streamer, turntable power supply).

I ran 4 new lines to my music room.

As in four individual lines that do not share a common conduit or cable.
Example: Four 2 conductor with ground Romex cables?
Or two 3 conductor with ground Romex cables?

There are two wall receptacles where I removed the tab on each to have each outlet on the duplex a dedicated circuit.

Why did you pick that wiring method?

There are two wall receptacles where I removed the tab

’Tab’ as in only 1 tab per duplex receptacle outlet removed? The tab on the Hot contact side? Neutral side not removed. If yes, then you fed each duplex with a 3 wire 120/240V multiwire branch circuit? Two hot conductors, one shared neutral conductor, and one EGC (Equipment Grounding Conductor).
If yes, you do not have four 120V dedicated circuits. You have four separate 120V circuits. I would not recommend this wiring method for feeding audio equipment. Especially when the equipment will be connected together by wire interconnects.

.