gain setting of two amps

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=99462
Printed Date: May 10, 2025 at 5:06 PM

Topic: gain setting of two amps

Posted By: shagdrum
Subject: gain setting of two amps
Date Posted: November 28, 2007 at 11:24 PM

I am gonna be installing two new amps in my system this January, as well as replacing the speakers and subs. I plan on setting the gains (with a test tone disc) before I remove the speakers, but after I replace the sub. My question is, can I just plug in the old speakers to set the gain on the sub amp, or does the sub amp need to be set using a sub level frequency from the test disc?

Replies:

Posted By: jmelton86
Date Posted: November 29, 2007 at 12:07 AM

Have the speakers you'll be using connected to the amp for setting the gains. Other speakers might have slightly different impedances, so the amp won't perform the same.

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Posted By: DYohn
Date Posted: November 29, 2007 at 10:16 AM

Any amplifier needs to be set using a test tone in that amplifier's pass band so yes, you'll need to use a subwoofer frequency for setting the sub amp.

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Posted By: shagdrum
Date Posted: November 29, 2007 at 5:54 PM

Thanks! Thats what I needed to know.

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