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Alpine to JL Audio- Subwoofer

46K views 41 replies 26 participants last post by  dogocity 
#1 ·
This is the second stage in the conversion of the stock Alpine speakers in my 2011 Ram CC Sport to JL Audio.

The subwoofer used to replace the stock Alpine 8" subwoofer is the JL Audio SB-D-QDRAM/10w3v3. For more details, go here:

http://mobile.jlaudio.com/products_stealthbox_detail.php?fit_id=1440

The amplifier used is the JL Audio XD 600/1. For more details, go here:

http://mobile.jlaudio.com/products_amps_pages.php?page_id=301

Also, the JL Audio harness XD-CLRAIC2-SW was used to connect to the stock sub harness providing an RCA signal to the amplifier. This harness is detailed here:

http://mobile.jlaudio.com/products_connections_detail.php?cat_id=5

As for amplifier wiring, the JL Audio XD-PCS4-1B was utilized. It can be researched here:

http://mobile.jlaudio.com/products_connections_detail.php?cat_id=9

Last but not least, a level controller, JL Audio HD-RLC was utilized. It can be found here:

http://mobile.jlaudio.com/products_amps_pages.php?page_id=308

Now that all of that is out of the way, let's get to the good stuff!

I did not follow the JL Audio instructions which asks you to drill through the floor and bolt the sub box down. Instead, I fashioned a black bracket similar to the stock sub enclosure and bolted the JL box down in the exact same location.

The wiring was uneventful as the plastic block off plate beside the brake master cylinder made for an extremely easy location to run the line. I hate to see audio wiring in the engine bay, or anywhere for that matter, so everything was loomed identical to stock and hidden.

The amplifier was mounted on the non-sub side of the cargo area. All wiring was run under the carpet and amp and then connected. The HD-RLC was mounted under the steering wheel and to the left. Easy to get to and adjust and not highly visible.

Amplifier Settings: 24db Crossover/50hz/No input sensitivity adjustment.

Results: Wow! Absolutely breathtaking bass response and finally, the entire system rocks! This sub setup can play everything from Rap to Orchestra and sound like it's perfectly suited to all formats. I couldn't be happier!
 

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#32 · (Edited)
The CANbus signal is already converted to speaker level where you made your connector. I am assuming this because the factory alpine amp is up stream from your connection, that is why i was questioning the speaker signal to RCA connection. An easy way to do this is speaker level input on the amp, which is not a very good way to hook an amp up although it would work. The next best thing is to get the LC2i in which I mentioned above and tie the speaker leads into that and it will convert the signal to RCAs and then plug into the amp, plus there are additional adjustments as well as a remote turn on wire, where as cheap line level convertors dont have the adjustments or the amp remote turn on wire.. Just food for thought, good luck!!! I still want to do the backup camera mod you are doing.
Jeff
 
#37 ·
Ironchef or to others, does any one know what's the part number and where to buy the stock sub woofer connector? The stock woofer sucks big time! And so does the rest of the speakers. :eek: ...definately will be upgrading the speaker systems.

Thanks
just go into any dodge/chrysler dealership.. they will be able to order on in for you. also it will come with the pins for the connector and shrink tubing
 
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