Question about Power Acoustik LT-980/2 Car Audio Amplifier

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Amplifier I own a car that, one of the speakers work loud and the other you can barely hear. One day I was sitting in my car and noticed that the music shifted from the speaker that worked to the speaker that didn't work and now the music is barely heard. It sounds as if it has a lot of treble. Is this the amplifier's fault or the speaker?

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Check faulty or old connections esp rca

Posted on Aug 09, 2007


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Loud speaker static when the car is off. It drained that battery. I tried pulling the radio fuse but it was still making the noise. I had to disconnect the battery to get it to stop. Any ideas?

I GUESS that the speakers are driven by an after market amplifier. An amplifier needs to be connected to a power source that is only on when the radio is on, through a relay.

So I GUESS that:
  1. The wiring is incorrect. Or
  2. If is has a relay, the relay is stuck.

Feb 01, 2015 | Cars & Trucks

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Can barely hear speakers when they are turned all the way up

Assuming this applies to all the speakers in the TrailBlazer, you likely have an amplifier transistor in the radio going bad. When they occasionally work, or you get a "crackling" sound it is usually the amp. A slim possibility is a bad ground, but that usually won't affect all speakers, only one.

Mar 13, 2014 | 2004 Chevrolet TrailBlazer

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Volume decreases drasticly when playing fairly loud for 15-20 minutes

You're probably overdriving the amplifier, meaning the speakers are sucking up more power than the amplifier is capable of. When you turn it up loud it overheats and causes the system to go into a protect mode so it doesn't catch on fire (yes... it happens!). Make sure your system is capable of handling the power needs of your speakers. And don't burn your house down! I had a high-end Harmon-Kardon receiver burst into flames. It's a good thing I was standing next to it or my house would have been toast.

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Mt Audi A6 1999 am radio has a loud squeal.

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Fan comes on with temperature rise. Not a problem if off till you start driving speakers loud.

Make sure standby switch is up. The slide switch is up to A/B.
The main fader iis up. Your input fader(s) are up. The trim controls are up enough. Inputs are plugged to input and not the inserts.

Be careful... this unit has a lot of power and can blow speakers.

Nov 23, 2008 | Behringer POWERED MIXER, 20 CH, 400 WTS...

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How to hook up additional speakers to the TV

If you have a surround sound system, (amplifier and speakers), run the DVD speakers out wires to the amplifier IN. Thi way, you don't even need the TV speakers.

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1 Answer

Stopped working.. Blown? or..

how did u wire the speaker ?what is the speaker rated at 2 ohm or 4ohm? thees kicker l7s 15 inch is rated for 1000 rms and 2000 peak the only thing that could of hapend was somthing was touching some were in the wiring or u hade the speaker wired at a load of 1 ohm

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1 Answer

Amp cuts off...

Are the woofers single or dual voice coil?

How many ohms per coil?

If they are dual voice coil, are the coils for each speaker wired in series or parallel?

Are the speakers connected directly to the amp or are the speaker in series (one wire from each speaker connected to the amp?

Have you checked the DC voltage at the amp when you're playing it at high volume (where it cuts off)?

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