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Need spec s for gem sound sa 168 power amp

Amp stoped working found a bad speaker cord

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Posted on Jan 02, 2017

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SOURCE: Gem Sound clipping problem

First of all the EXA-3940 is rated at 350watts per channel in to 8 ohms. The 1400 watts is bridged into a 4 ohm load. Second, the speakers can handle 1000Wats peak with an average of 600 continuous (i'm guessing). That tells me that the amp is underpowered for the speakers. The sensitivity of the amp is such that the mixer is overdriving the input stage. That is what is causing the clipping. If you are looking for more volume, you are probably better off purchasing another amp and running them in bridge mode, 1 per speaker cab. Be careful though, not to overdrive the speaker cabinets either.

Dan

Posted on Sep 24, 2008

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petraman7
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SOURCE: gem sound exa 3950 amp

Hi...
If it's a straight-up power switch then it will need to be replaced if it works off a relay then the relay is gone.

website

http://www.gemsound.com/contact.html#


Posted on Mar 24, 2009

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1 Answer

Hello i have a s master digital amplifier model number SA-WSF200. Suddenly the right speaker a subwoofer stoped working. I tried plugging the right speaker into the left speaker output on the amp and it...


i dont know if amp has fuse for each channel, but they would be easy to see.. otherwise that baby has a blown component or two on a pc board, maybe an output power transistor of capacitor failed.
Last time i went to a shop it was like $100 plus parts for a similar repair.
I recomend sending Sony support an email and see what they say before you take it anywhere as well..

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Looks like it takes regular home theatre speaker wire. If this is a powered speaker (like a JBL eon g2), then all you need is a passive mixer, and connect the speakers to the mixer. If this is not a powered (amplified) speaker, then you will need an amplifier to boost the sound source and drive the speakers, so you would connect the mixer to the amplifier, then the amp outs to the speakers.

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Why does only one channel volume work? I am pretty sure it worked when tested it before I bought it. I have both speakers hooked up and I have a mixer connected to the power amp. Thank you


The 'problem' could be anywhere in the chain - amp, mixer or speaker. YOU need to do some swapping to isolate which product failes. Swap channels, inputs and outputs and speakers.

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Why does my gem sound exa2955 amp keep blowing fuses?


You may have a bad speaker that does not have enough electrical resistance - low resistance looks like a short circuit to the amp.

You could also have a single fiber of one speaker wire touching the other speaker wire before they get to the speaker (that is, the two wires at one speaker are touching each other near the terminal posts on the amp or near the terminal posts at the speaker). Check all speakers.

Jun 20, 2011 | Gem Sound EXA2955 2Channel Amplifier

1 Answer

My parents are getting rid of their Panasonic SC-HT700. The receiver is shot. The speakers and sub work perfectly fine. I was wondering if I could purchase a used receiver (found the SC-HT930 on ebay) to...


the speakers are 6 ohms, and it will be very difficult to find a receiver that is 6 ohm compatible. most home amps are 8 ohm, and will overheat and burn up when used with 6 ohm speakers.

the subowoofer is 4 ohms, but i am unsure as to whether it is self-powered, or if it is powered by the receiver.

4 ohms is the standard for car audio, and 8 ohms for home audio.

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Is the gem sounds tr-150 build with an internal amp?


No, these are passive speakers that need to be driven by a power amplifier

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My amp overheated on a Klipsch promedia 2.1


Sounds like your speakers had too many watts sucking from an amp that couldn't produce the power to feed them.
What is the max watt power output rating for your amp?
Compare the amperage of all the speakers combined and make sure they are 15% lower that the rating on your amp. Be sure to include the sub in your totals.
Chances are you've blown the power supply on your amp.
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Gem sound exa 3950 amp


Hi...
If it's a straight-up power switch then it will need to be replaced if it works off a relay then the relay is gone.

website

http://www.gemsound.com/contact.html#


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Pioneer gm-5000t amp


If the amplifier is powering, but no sound, try disconnecting the speaker outputs from the amplifier and connecting a test speaker to the output channel. If you get sound, then one of the speakers in the car may be bad or shorted out. That can be confirmed with a voltmeter. If still no sound, then you need to check the input to the amplifier. Disconnecting the RCA cable from the input and testing that with an amplified speaker like you can get from Radio Shack will allow you to make sure that the amp is getting signal from your radio.

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Gem Sound XP-350 both channels failed


Speaker fuses are generally fast-blow styles 250 volt glass
If an amp shuts down, with speakers connected, it sounds like one of the power supply lines does NOT like what it's "seeing" . Probably output transistors bad ( or module)

Take it to a tech.

Scott out.

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