I've had a P600 for about a month. It replaced one of the big original (slant sided) API units supplemented with Versalab woodblocks. It's plugged into a dedicated AC outlet. Using it with Pass pre/power amps the change in sound quality was an unmistakeable and very positive. The bass became more dynamic, low level music was more readily apparent, yet the sound lost none of its cohesiveness. The sound acquired an overall more natural texture. The effect is more noticeable on digital (I've been swapping out Sony, Sonic Frontiers, Goldmund and Wadia units), but still quite positive on vinyl. The only downside is that the unit is very large and it throws off a fair amount of heat (but less than the Pass 5). A strongly recommended combination.
Pass Aleph amps with PS300 or PS600?
I have an Aleph 3 amp and an old Aleph P pre-amp. The Pass Labs literature advises against changing power chords on their amps (they say they're designed in a way that the power source doesn't matter). I was wondering if anyone has tried a PS300 or PS600 with their Aleph amp. Has it made a noticable difference, or can I save some money and buy the smaller power supply for my souces and pre-amp?
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