Home Tweakers' Asylum

Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Re: What makes a transformer HUM?

As has been pointed out, your transformer hum is most likely being caused by DC riding on your AC line.

When I switched from unbalanced AC to a precision balanced power transformer, the hum emitted from the power transformer in my Pass Labs Aleph 3 amp was completely eliminated. It is dead quiet now.

If balanced power is not an option for U, there R products on the market specifically designed to filter DC from your unbalanced AC line. One such product is the PS Audio UPC-200HB.

I've included a link if U wish to peruse it further.

Cheers,

~kenster


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  • Re: What makes a transformer HUM? - kenster 17:38:58 04/02/07 (2)


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