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Which Pre-outs?

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=29906
Printed Date: October 31, 2024 at 6:36 PM


Topic: Which Pre-outs?

Posted By: ronnie484
Subject: Which Pre-outs?
Date Posted: April 07, 2004 at 4:49 PM

I have an AlpineCDE-7858 in my car and it has a subwoofer out and it sounds great.  MY question is ,I'm changing the head unit to a CDA-7839 which has dual pre-out and a non-fading pre-out button.  If I want to use my subs which pre-out should I use the fron or the rears? 

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Ronnie



Replies:

Posted By: Sweekster
Date Posted: April 07, 2004 at 4:52 PM
The non fading pre-out.

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Duane...

If you think you're confused, imagine how you feel.   posted_image




Posted By: astro88
Date Posted: April 07, 2004 at 6:10 PM
ditto it should be a mono signalposted_image




Posted By: forbidden
Date Posted: April 07, 2004 at 7:00 PM
The non fader preout

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Top Secret, I can tell you but then my wife will kill me.




Posted By: ronnie484
Date Posted: April 07, 2004 at 8:32 PM

  posted_image  I don't know which ones are the non-fading pre-outs that's why I asked.   Are the front ones or are the rears the non-fading pre-outs.  This will help me determine which ones to use because I am only using one amp.



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Ronnie




Posted By: stevdart
Date Posted: April 07, 2004 at 9:09 PM

I just checked your owner's manual.  It says that you should use the eject button (press and hold for 3 seconds) to toggle Non Fading Pre-Out on and off. 

N.F.P. ON:  In this position, the Front Pre-Output will not be affected by the fader.  This is ideal for driving a subwoofer amplifier.

N.F.P. OFF:  Returns to normal fader mode.

note:  Set the N.F.P. to OFF unless the subwoofer is used.

I'm not sure, but what you're calling two outputs is actually two jacks.  This is the pre-out.  Use standard twisted wire cables to connect to the amp.  Select N.F.P. ON with the eject button.





Posted By: ronnie484
Date Posted: April 07, 2004 at 9:49 PM

Stevdart,

              Thanks Alot that means I'll use the rear pre-outs for the amp and subs. Not the fronts.



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Ronnie




Posted By: ronnie484
Date Posted: April 08, 2004 at 8:38 PM
Thanks a bunch I put the deck in and ran the rear pre-outs to the amp and turned everything on and it sounds nice.  This baby kick some serious butt.

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Ronnie





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