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preout voltage and amp question

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=60273
Printed Date: May 10, 2025 at 12:31 PM


Topic: preout voltage and amp question

Posted By: swegs
Subject: preout voltage and amp question
Date Posted: July 28, 2005 at 11:51 AM

ok i have a pioneer premier DEH-P770MP headunit and it has 4 volt preouts. on my amp around where do you think i should set my input sensitivity? i have a kenwood KAC-8402 4 channel amp 60x4.  right now i have it at 1 volt.




Replies:

Posted By: DYohn
Date Posted: July 28, 2005 at 11:56 AM

Read through this and see if you understand it:  https://www.bcae1.com/gaincon2.htm

Cheers.



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Posted By: swegs
Date Posted: July 28, 2005 at 12:12 PM

someone told me that input sensitivity and gain are different although similar since some amps have both. is this true? and yes i have read all that before and it still didnt really help me out. proly confused me even more.




Posted By: DYohn
Date Posted: July 28, 2005 at 12:18 PM
Input sensitivity and "gain" are the same thing on most car audio amplifiers.  You must match the amplifier "gain" to the output of your HU, and you cannot do this using any marking on the amplifier controls.  It must be done using a volt meter, or by ear using the "distortion" method.  Please do a search on this forum to read how this has been described on here.

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