alpine sub with built in amp wiring?

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Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=98756
Printed Date: May 14, 2025 at 8:50 PM

Topic: alpine sub with built in amp wiring?

Posted By: h20eng
Subject: alpine sub with built in amp wiring?
Date Posted: November 08, 2007 at 2:08 AM

Hi folks,

I just picked up an Alpine SBS-254F 10" sub with on board 5ch amp. No idea how old this thing is. All inputs are on a Molex so I dont know if they are high or low level inputs! There are NO RCA inputs at all.

I want to try it out, but Alpines site doesn't acknowledge it under a search. Anyone remember this or still have a wiring diagram somewhere? Any info at all would be greatly appreciated. I know there are lots of pros on here (been lurking awhile:) ) Help!

Thanks, Chris

Replies:

Posted By: jmelton86
Date Posted: November 08, 2007 at 2:25 AM

Model #?

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2013 Kia Rio -90a alternator
DDX470HD GTO14001 GTO1014D (x3)
Big3 in 1/0G
1/0G to GTO14001

Posted By: h20eng
Date Posted: November 08, 2007 at 12:23 PM

Alpine SBS-254F

Posted By: tcss
Date Posted: November 08, 2007 at 3:15 PM

I just searched Alpines parts distributer. There are no longer any parts for it.I sort of remember it (I've been an Alpine dealer for 25 years) any chance you can post a picture of it?

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There is no such thing as free installation!

Posted By: h20eng
Date Posted: November 08, 2007 at 4:05 PM

Thanks,

I called Alpine tech support and they told me that model has ONLY high level inputs. I have NEVER seen an amp without low level inputs, but I'll try it. I'll start with the volume at 0 and be careful ramping it up.

I had an old Alpine amp probably 15 yrs ago that used a molex plug. I had to buy an Alpine RCA adapter to use it. I was thinking this may be the same.

The plate where the molex goes is labeled front rear right left + -.

There is a gain pot that goes from 0.2v - 4v, another pot for rear level, and a crossover switch for 80 or 120Hz.

The amp portion is 25w x 4 and 80 x 1 to the sub. Its a really small box with one 10" sub in it.

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