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Crate amp very low volume

Turned up to 10 across the board but it sounds like a small computer speaker

Posted by fatguynalitt on

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Joe Patch

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  • 336 Answers

Effects loops plug sockets get dirty and cause the sound to not get through to the actual power amp. Check those by plugging in a cable and wiggling to see. It needs to be wiggled and unplugged to see. Also, check for dirty volume control.

Posted on Feb 21, 2013

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Anonymous

  • 51 Answers

SOURCE: Fender passport model # 250 Used Only Twice!

go back in and find where the electrolitic capacitors connect to the board. They look kind of like a battery. One or both of them have broken loose from the main board, preventing any significant current from going to the output transformer, and causing overload. This is a common problem, and it does not take much rough handling to cause it.
where the break is is at the solder connection. Under a magnifying glass, the break will look like a little circle. Float fresh solder on that or any other large solder joints which may be cracked or broken.
Use standard precautions when working around high voltage.

Posted on Dec 02, 2008

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Fred Yearian

  • 5603 Answers

SOURCE: I have a small crate rx15 solid state amp. The

Power light means very little. If unit has a preamp output, plug a set of headphones into it and see if you can hear anythin going through. (it will be weak). If you can, the power amp section is bad. Take in for service.

Posted on Mar 29, 2010

Fred Yearian

  • 5603 Answers

SOURCE: I have a small crate rx15 solid state amp. The

This is likely a power supply failure OR the amp chip is bad, It is probablly in the TDA family such as a TDA2050

Posted on May 18, 2010

Fred Yearian

  • 5603 Answers

SOURCE: I have a Crate PA-8 4 ohm 150 watt PA head that I

150 watts should be easily handled by four Peavey speakers in the connection you described.. If the Peavey's are 8 ohms, then your total load was 8 ohms for the series/parallel arrangement which is well within the 2 ohm drive capability of the Crate according to specs.

I question if you really mean the speakers were in series? This requires a special cable to do this. Now if you mean they were "daisy chained" like the amp went to one speaker and another cable connected that speaker to another, then you REALLY had ALL speakers in parallel electrically which would be at the 2 ohm low limit of the amp... In either case, with only 1/4 of the 150 Watts to each, the speakers should NOT have been damaged. The amp MAY have been damaged. Try each speaker individually at a REASONABLE level to test.

If you plug into the effects loop out jack,OFTEN the connection to the internal power amp is broken so you might have to arrange a special cable as a wye to go back into the power amp as well as your external amp. In any case pwere ALL interconnected amps, etc from the same power source/receptacle for system safety.

Posted on Jul 16, 2010

gklohn

  • 94 Answers

SOURCE: Mi fender rot rod deluxe has almost no power, the

CHECK VOLUME CONTROL BUTTON.

Posted on Oct 25, 2010

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On u47 a=cl +mod b=od on the screen the sound comes out one headphone speaker a lot more louder than the other all the leads are ok the headphones are ok and the balance is set in the middle is this normal...


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