Computer Power Supply Amplifier


Bronze Member
Username: Maxil223

Post Number: 25
Registered: Jun-05
I saw a picture somewhere, where a person used a computer power supply to power an amplifier which enabled him to use his sub in his house. I have 3 or 4 power supplies laying around and 2 low powered amps(300watts rms@4ohm) And I would like to know if anyone knows how exactly to do it.

Gold Member
Username: Illuminator

Post Number: 1093
Registered: Apr-05
Yeah, there are threads pertaining to that around the site, you just need to use the search feature.

New member
Username: Gpz1100

Post Number: 10
Registered: Jul-05
Most high power PC power supplies put out 30-40 amps on a +12V rail.

Would that be enough for your amp.... that's 360 - 480 watts. Considering 60% efficiency of your amp thats 216 - 290 watts of actual output power. Give or take. If it's an efficient sub, I suppose it'd be possible.
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