The Astron RS12A puts out 10 amps. The Mytek draws a constant 1.5 amps. I never saw it peak out any higher than that when in use. It does not create any problems using 22 ga. wire, unless you are using a long run, which is not suggested. My wire is less than 2 feet. The DC wire is certainly a "tuning point" for me, and different types/gauges certainly change the tone. I urge you to experiment until you find one that gives you the best synergy in your system.
Some of the audiophile power supplies I had tried were the HD Plex 100, the Keces, the Vinnie Rossi Mini Pure DC-4EVR (ultracapacitor powered), and a Teradak power supply. Some of them may look nicer and have better specs. than the Astron, but my ears tell me which sound better, and that is all I care about. The low price is a bonus too.
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