No sound out of 1 speaker

[Darren]

Afternoon Guys,
I have a weird situation which is a little beyond me and thought I'd seek some advice before taking it back to where I originally had it done (Complete Audio).

I have been under the belief that my Alpine V12 4CH amp had 1 of the channels which was busted as 1 of the outputs to the speakers wasn't working.

Earlier today I went down to Jaycar and bought one of their 4x100 amps and plugged it all in which went well until I went about testing each speaker.

At this point I was sorting out rear left, rear right, front left and finally front right but no sound out of that one, put the front right in any of the other channels and there's sound.

Surely I don't have such bad luck to have 2 different amps bought years apart with the same problem so I am leaning toward wiring but where would I even begin?

I have the stock head unit still and Alpine V12 MRF345 (from memory), there is another Alpine mono block amp but that runs fine and wouldn't imagine that be the cause as that's been disconnected the entire time.

Any idea's would be great.

Thanks

Cheers
Darren

[Tasmaniak]

Try moving the front right INPUT around to other channels and see what happens. Fair bet that it won'twork in any channels as it sounds like thats the problem. How have you got the sound converted to line level? Did you use a convertor or Phreddys mod? Basically we need to figure out if the headunit still has an output here or if it's somewhere between the H/U and the amp.

[Darren]

Sorry I'm not following regarding the input, hang on do you mean swap the front with the back and see what happens?

I had the amps, speakers etc all installed by Complete Audio here in SA.

As I wanted to keep the stock head unit from memory they used converters although I have never had anything apart to see what they are or what they look like.

Cheers

[arrow224]

Are you able to take out your front left speaker, and hook it up to the front right speaker cables? This would check to see if it is wiring or speaker related.

If the former, simply test it out in the boot (or amp location) by hooking up front right speaker to amp with new speaker wire. If this works, re-run your speaker wire.

If the latter, then buy new speakers.

[| evaN |]

If the front right speaker works when its connected to a different channel, then its probably something between the headunit and the amp. So, thats either the headunit to the converter, or the converter to the amp. Highly doubt on both amps they both had the same blown channel.

[Darren]

Cheers guys, I'm thinking I might just take it to the local car audio place.

At the moment I'm not in the mood to ripping the car apart.

Will let you know what it turns out to be.

Thanks again.

[allanssv6]

yeah same thing happened with my vz sv6.
front right speaker doesnt work.
i found out it was a problem with the rca's to the head unit.
as im too lazy to rip it up at the moment i just bought a rca splitter and run that from the working front rca to both left and right
does anyone know the actualy problem whether it would be the head unit itself? ps. it came with the stock amp aswell.

[Cobez]

I had this problem with my last car, turns out it was my RCA's.