RCA 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=62739
Printed Date: May 15, 2024 at 9:33 PM
Topic: RCA Question
Posted By: bobmarley421
Subject: RCA Question
Date Posted: September 15, 2005 at 3:31 PM
I am going to run 2 amps. A JL 500/1 for my sub and a JL 300/4 for my componets. I am using a Eclipse CD 8454 which has separate outs for sub. Should I run two sets of rcas one to each amp. Or could I run one set and then run a set from one amp to the other? Will this limit my tuneability? Thanks.
Replies:
Posted By: sneakycyber
Date Posted: September 15, 2005 at 4:30 PM
You need 3 sets of RCA cables. 2 for the 300/4 1 for the 500/1.
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Posted By: jettagli03
Date Posted: September 15, 2005 at 4:30 PM
i would run two back to the 300/4 so you can use fade and such at your head unit and then run a set out of the 300/4 into the 500/1
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Posted By: sneakycyber
Date Posted: September 15, 2005 at 4:34 PM
Why would he want to daisy chain off the 300/4 when his head unit has seperate sub out put. The head unit he is using is of Audiophile quality. Why limit its ability?  -------------
Posted By: Francious70
Date Posted: September 15, 2005 at 4:37 PM
Because if you tune your system correctly, you shouldn't need a sub-out and daisy chaining would be fine.
Posted By: sneakycyber
Date Posted: September 15, 2005 at 4:39 PM
Yea but who doesnt want the tune ability of being able to tailor the sound from the head unit. and not via the amps.
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Posted By: sneakycyber
Date Posted: September 15, 2005 at 4:42 PM
And if the sub out wasnt needed why would most manufactures include them on all of their high end units? -------------
Posted By: bobmarley421
Date Posted: September 15, 2005 at 4:50 PM
I dont want to have to mess with the amps once they are set up since they will be mounted underneath my backseat in my Jeep. I want the ability to control everything from the headunit.
Posted By: bobmarley421
Date Posted: September 15, 2005 at 5:03 PM
Also should I use a fans or fans since JL says that mounting vertically is :optimum and Horizontally is only:good. I finally read the book for the 300/4 and it recommends for best adjustability connecting one pair to front input one to rear input and connecting the sub amp to the sub output. This way you can fade the front and rear HF channels and control the subwoffer level respectively. Sometimes it pays to read. I guess thats what the manual is for lol.
Posted By: sneakycyber
Date Posted: September 16, 2005 at 9:15 AM
You shouldnt have a problem with over heating. unless the airflow to the amps is really limited.
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Posted By: bobmarley421
Date Posted: September 16, 2005 at 4:01 PM
The amps are going under the back seat of my Jeep.
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