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Old 24-02-2008   #1
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Mono sound through both left and right speakers?

Hi,

I've been planning to change my ICE for ages and this morning I finally got everything wired up but I didn't get the result I expected. Here's what I did.

I have a Sony head unit with a pair of aux out RCAs. One pair's for input I think so is unused. The pair I'm using has leads (red and white) going from here into my amp's RCAs (channel 1 input and channel 2 input).

The amp's set to 2 channel rather than 3 or 4.

From the amp I have channel 1 + and - going to my left crossover unit's input + and -. From the crossover I have attached the left side tweeters and woofers.

Also from the amp I have channel 2 + and - going to my right crossover unit's input + and -. From the crossover I have attached the right side tweeters and woofers.

So far so good, that's the way it should be set up right? When I play music with it set up like this all of the music is coming through both right and left speakers but it's in mono I think. What I mean is I'm getting all of the music and it's equally coming out of both speakers. When I go onto the head unit's controls and play with the balance it has no effect whatsoever - I can set it to all the way left or all the way right and I still get the same levels coming out of both speakers.

Is this a common mistake I've made? Anyone have any ideas where I might have gone wrong? Ways to diagnose the problem?

Many thanks
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Old 24-02-2008   #2
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Re: Mono sound through both left and right speakers?

i might b rong but my head unit has a front, back and sub RCA outs but my old head unit only hed sub out (mono) may b your RCA out is MONO for subs or may b there a setting on you HU to switch

hope this helps tom
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Old 24-02-2008   #3
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Re: Mono sound through both left and right speakers?

Power amp could be running in bi-amp mode? (if its got one, this feature is designed for use when running one sub and combines both channels, to get the most power from the amp).
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Last edited by Phil; 24-02-2008 at 19:57.
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Old 24-02-2008   #4
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Re: Mono sound through both left and right speakers?

Aha - from the manual I've just seen there's a a setting somewhere in the head unit's menu:

SUB/REAR
To switch the audio output
-"SUB-OUT" to output to a subwoofer
-"REAR-OUT" to output to a power amplifier

I need to go downstairs and check but I bet it's running in sub mode as suggested up there, as opposed to that REAR-OUT mode. Kind of obvious when I think about it - hopefully changing this setting will sort it
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Old 24-02-2008   #5
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Re: Mono sound through both left and right speakers?

Yep that's fixed it. Except now I've got Left and Right wrong way round but that's no worries, just need to swap a couple of cables at the amp when I can be arsed

Cheers guys
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Old 25-02-2008   #6
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Re: Mono sound through both left and right speakers?

glad you got it sorted m8
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