Question about Sony XM-1252GTR Car Audio Amplifier

1 Answer

Red lioght keeps comming on

I have a Sony XM-1252GTR. Everything was fine until one day when it was raining it kicked off. I noticed that the red light protector was on. I checked all my wires. I read the manual and it said to check my speaker wires and ground. I checked all ove them. Disconnected everything and reconnected. I even went and exchanged the amp for the same new one, and it still did the same. I then went and bought new speaker wire and nothing changed. I then thought something was wrong with my speakers. So I went and bought new subwoofers. Nothing changed. Still did the same thing. Red light still on. I'm totally stumped. Could it be my power wire, remote wire or head unit? I don't think it should be so complicated. Can you please help me out here?
Thank you.

Posted by danielmiboy on

  • nfleming19 Jun 17, 2008

    I have had this amp for about a month and it has worked great up until a few days ago. I got in my car a few mornings ago and it wasnt working, the red light was on. I checked all of the wires, and they were all fine. Later on that day when i got in my car again, everything was working fine. This seems to keep happening, it will work fine one minute and not work the next. It seems to have problems when it is humid outside or it is raining. Could this be a cause to the problem?

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1 Answer

Anonymous

Make sure ohm load is not too low, I think that amp is 2ohms/ch and 4ohms bridged minimum.

Posted on Oct 30, 2007

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Tygh Duval

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SOURCE: Sony XM-1252GTR Amplifier

Can it power the subs? Yes.

Can it make them crank? Well, that all depends on your expectations. That amp/sub combo is going to give each sub about 125W, which isn't much. But if it's what you have, it's better than nothing. You might also consider using only one sub and bridging the amp. This would put about 340W on the one sub, which is much more reasonable.

Posted on Mar 13, 2008

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Hello justin83wint,

If the amp goes into "protect mode" immediately upon power up, it's most likely a short in the power/ground or speaker connections. If it operates normally for awhile and then goes into protect, it's most likely overheating.

In the first case, I'd suspect something in the wiring. Go here to troubleshoot the possible causes.

An amp will most often go into protection from overheating due to being operated at too low of an impedance load. Check the speaker specifications and wiring and make sure that the final impedance load matches the amps rating.

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Can it make them crank? Well, that all depends on your expectations. That amp/sub combo is going to give each sub about 125W, which isn't much. But if it's what you have, it's better than nothing. You might also consider using only one sub and bridging the amp. This would put about 340W on the one sub, which is much more reasonable.

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