100v,115v versus 230v

Your welcome
I’ve recommended it a few time to US owners on Audiogon. But some just can’t see the forest for the trees though.
I’m in Australia where we have the best mains configuration, 50hz and 230v, and it’s well regulated, only >< 5v at my place, but it's also very deadly.

Cheers George

** Note: The Quick 220® Power Supply uses two outlets from two different circuits that are out of phase and not controlled by ground fault interupters (GFI’s). The Quick 220® Power Supply has built in circuitry to test for the out of phase circuits. A separate tester is supplied to check the outlet for a GFI. Most buildings have numerous outlets that meet these two requirements.

https://www.quick220.com/-A220-15D.html

Note the two power cords hardwired, connected, to the converter.

** Note: The Quick 220® Power Supply uses two outlets from two different circuits that are out of phase

Therein one 120V wall outlet fed from Line 1 to neutral and one 120V outlet fed from Line 2 to neutral. Difference of potential, voltage, between Line 1 and Line 2 = 240V nominal.
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@ BUCKHORN_CORTEZ, BRILLIANT! That is what i did. Now i can run any amp in my rig. From 125V/250V/30A.

I think some of you are confused about the phenomenon of human electrocution. It’s current through your core or heart that will kill you. About 100 to 200 milliamps is all that’s needed. Since your inner body has a low resistance, it’s the contact resistance between your body (usually your hands) and the voltage source that matters. If your hands are wet and you touch the voltage source with both hands, that will produce lethal current through your heart - even if the voltage is lower than 100 volts.
If you were to use 2 fingers on the same hand, however, there would be little current through your heart. That’s why electronic technicians keep one hand behind their back when working on circuits with high voltages.