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

RE: Granite audio ground zero

Might be helpful to distinguish between "buzz" which is most often 120Hz ripple (the output from the PS rectifiers which is "spikey", looks like a sawtooth waveform) and "hum" at 60Hz which is more sinusoidal (mains frequency coupling in). Ground loop problems result in "hum". Hiss and "buzz" are related to issues in the amp.


"It is better to remain silent and thought a fool, then speak and remove all doubt." A. Lincoln


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