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Old 05-17-2017, 07:12 PM   #1
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Default Stereo Install

I purchased a new head unit and need some basic 101 on how to wire correctly with the amp I have, I am pretty mechanically inclined EXPECT for stereo wiring, I am clueless.
Head Unit is a Fusion RA205
Amp is a JL 600/6
Subwoofer is a JBL
(2) Jl MX770
(2) JL650
(2) Fusion 4" above the console
Head has a (2) RCA jacks for sub- do I use these to connect the subwoofer?
Head has (2) RCA Jacks for Amp- Do I just connect these to channel 1/2?
If I do that do a change the selector to 2 channel?


I am confused on what the other 4 inputs on the sub are for?
I currently have all (3) sets of speakers connected to the 6 output channels on the amp






Thanks Pete (formely noboatpete)
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Old 05-19-2017, 11:50 AM   #2
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ttt,


Mainly want to know if I hook the sub up to the RCA jack on the head or line 5/6 on the Amp and if I only run 2 wires from the Sub RCA on the head to the amp or do I split the two lines into 4 or 6 wires going into 1/2 and 3/4 on the amp?
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Old 05-19-2017, 12:42 PM   #3
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ttt,


Mainly want to know if I hook the sub up to the RCA jack on the head or line 5/6 on the Amp and if I only run 2 wires from the Sub RCA on the head to the amp or do I split the two lines into 4 or 6 wires going into 1/2 and 3/4 on the amp?
So, you have one pair of RCAs leaving the Fusion (Red and White), splitting into 4 so you can plug them into Channel 1/2 and Channel 3/4 on the amp?

Then, you have the other pair of RCAs leaving the Fusion (Orange and Orange), and plugging them into Channel 5/6 on the amp?
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Old 05-19-2017, 02:36 PM   #4
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So, you have one pair of RCAs leaving the Fusion (Red and White), splitting into 4 so you can plug them into Channel 1/2 and Channel 3/4 on the amp?

Then, you have the other pair of RCAs leaving the Fusion (Orange and Orange), and plugging them into Channel 5/6 on the amp?



On my old head unit I had (1) pair of RCA leaving the head and splitting into the 6 inputs on the amp and the 6 speakers wired into the 6 outputs on the amp, the Sub was wired into the RCA outputs on the head unit.


Right now I haven't wired anything because I doubt the old way was correct.


thanks for your help
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Old 05-29-2017, 05:56 AM   #5
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Pete - the Fusion is your system is s remote. I'm not sure it can be a stand aloneness without a Fusion headunit but I could be wrong. I have the Fusion 750 (had a 700 before) and went through a couple because of fogging. The new 750 is awesome and the best headunit available imho.

BillR is your stereo man (Audioconnection). I'll send him a link to respond too. Ps - he's a good source for components when buying stuff too.
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Old 05-29-2017, 06:12 AM   #6
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As I reread your post, rca: one set to subs and one to amp is all it should take. The amp channels are just for the speakers and power output. 1 amp is one zone and your headunit is a single zone. Sub would be one channel unless you want more power. 6 or 8 speakers could run on 4 channel with what you have. Sub could be 2 channels depending on sub impedance. Recommend the JL subs. They are the best imho for sound and the marine environment.
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Old 06-05-2017, 11:01 AM   #7
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Thanks Dave, that is pretty much how I set it up except I misspoke and I had (4) outputs from head unit to amp so I wired them into 1-4 on the amp.


Not sure if this is correct but the system sounds great, what should the hz setting be for my Mx650, MX770 and the 4" fusion speakers?
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Old 06-05-2017, 02:51 PM   #8
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Those don't go low so 100-120 at lowest.
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Old 06-05-2017, 07:32 PM   #9
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Originally Posted by PeteVB View Post
Thanks Dave, that is pretty much how I set it up except I misspoke and I had (4) outputs from head unit to amp so I wired them into 1-4 on the amp.


Not sure if this is correct but the system sounds great, what should the hz setting be for my Mx650, MX770 and the 4" fusion speakers?
650 is good til 80hz 770 same 4un 110/125
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Old 06-06-2017, 08:23 AM   #10
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Quote:
Originally Posted by PeteVB View Post
I purchased a new head unit and need some basic 101 on how to wire correctly with the amp I have, I am pretty mechanically inclined EXPECT for stereo wiring, I am clueless.
Head Unit is a Fusion RA205
Amp is a JL 600/6
Subwoofer is a JBL
(2) Jl MX770
(2) JL650
(2) Fusion 4" above the console
Head has a (2) RCA jacks for sub- do I use these to connect the subwoofer?
Head has (2) RCA Jacks for Amp- Do I just connect these to channel 1/2?
If I do that do a change the selector to 2 channel?


I am confused on what the other 4 inputs on the sub are for?
I currently have all (3) sets of speakers connected to the 6 output channels on the amp






Thanks Pete (formely noboatpete)
Did you look at the manual? It should explain what the inputs/outputs are..
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