The company I work for is developing a cargo conversion kit for an existing twin turbo-prop commuter aircraft. I’m working on the air conditioning modifications that we’ll need to perform to provide ventilation control to the Class E cargo compartment, and conditioned fresh air to the cockpit...
Transformers are optimized to work at a specific frequency, and I bet that your ATX powersupply probably has a transformer inside that steps the 120VAC down to whatever the output voltage is supposed to be (~12VAC if it outputs 12VDC...etc)...
If you change the frequency that you pump into the...