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Message: <blockquote data-quote="ejschultz" data-source="post: 6182126" data-attributes="member: 603800"><p>What test tone frequencies are best for setting the gains on a mono and a 4 channel amp? I was told to go at about 50 Hz for the mono and about 1000 Hz for the 4 channel. I ordered a new DMM last night that has a peak of 1000 Hz when measuring AC voltage. Most under $50 only go up to about 400 Hz. Basically, I'd like to know if there are other recommended frequencies for setting gains and to what attenuation do you recommend I set the test tones?</p></blockquote><p></p>

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