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Have a crate glx212. power comes on but no sound. cable to guitar checks out good. any ideas?

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6 Suggested Answers

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Posted on Jan 02, 2017

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soundchasr
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SOURCE: NO sound through the AMP even though the power light comes on

Not a fuse. First thing, to check your speaker (amp unplugged, of course), touch the + and - speaker connections to a 9V battery. If you don't hear a pop sound then your speaker is blown. Thus, no output sound. If speaker is OK, then the output IC is your problem.

Posted on Jul 25, 2009

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SOURCE: Guitar amp shows power but has no sound, could it be a blown fuse

Nine times out of ten, any problem with an amp having no sound coming out, it's a wiring issue. Make sure all of the wires internal to the amp are propely hooked up. Also, try switching out the quarter inch cord you are using from your guitar to your amp. Could be a bad cable. Unless you have blown the speaker completely, something is loose or not hooked up properly.

Posted on Feb 28, 2009

  • 153 Answers

SOURCE: crate tube amp will not power up but cooling fan tries to run

Yes.
Are you saying that the only indication that it is running at all is that the fans are running? So the tubes don't light up? No indicators on the front of the amp?
Power supplies that provide multiple voltages, which your amp has, can provide some of the voltages while having a problem that prevents them from providing others, all while not blowing a fuse. If you are not confident in your ability to work on a piece of electronic equipment that has 120VAC coming in and at least 175VDC or more present inside it, bring it to a service center.
The good news is that it is probably not horribly serious. Problems like this can almost always be repaired in a cost effective manner.

Posted on Apr 24, 2009

  • 5603 Answers

SOURCE: Dirty high switch on a Crate practice amp

NEVER use switch cleaner such as DeOxit on pots !!!!!

I have used CRC226 available at Home Depot electrical dept.

I SUSPECT that the resistance element in that pot is cracked. This is common if the knob sustained a hit. Replacing the pot is the only cure if the element is cracked.

Reviewing the schematic, ALL audio passes through the wiper on the HIGH tone pots. If the wiper is intermittent, so will be the sound.

If your unit is solid state amp, the pot looks like a 10K ohm LINEAR taper.
If you have a tube type, then the pot is a 250K ohm LINEAR.

Note that the other tone pots in the units are AUDIO tapers, but the high is a linear taper.

Get repair parts from either DigiKey.com or Mouser.com

Posted on Mar 23, 2010

  • 5603 Answers

SOURCE: I have a Fender Telecaster guitar and a Crate amp that cuts out i

The next time it stops, unplug the cable from the guitar and touch the tip of the connector with your finger. If the amp hums, then the amp is still working and the problem is in the guitar. If there is no hum from doing this, then the amp has am intermittent.

Try this before it fails to see what to expect in the way of the hum from this test.

Common problems with the amp are OFTEN with a broken input connector or bad switch on the preamp output jack if it has one.

There are MANY other things and without troubleshooting it is hard to steer you to a fix.

Posted on Mar 27, 2010

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1 Answer

Need the cables for crate flex ave footswitch


The easiest way would be to contact Crate customer service, or Guitar Center, or Musician's Friend, or Ebay.Here are the links-
http://www.crateamps.com/support/index.php

Guitar Center Music Instruments Accessories and Equipment


Musician Friend Musical Instruments Store

eBayeBay

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Frying sound from amp intermittantly


then the problen is in the power amp section after the preamp stage. Contact Crate for your nearest service center.
http://www.crateamps.com/support/index.php

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Buzz across all channels in crate rfx120


I also have this issue. Same crate combo amp. There is a loud buzz emitted only when there is a cable plugged in. Cables and instruments checked good, only possible issue is inside the input of the amp. Popped it open, solders and connections were intact and appeared solid. Anyone have a guess as to why this is happening?

Feb 12, 2012 | Crate Music

1 Answer

I have a Fender Telecaster guitar and a Crate amp that cuts out i


The next time it stops, unplug the cable from the guitar and touch the tip of the connector with your finger. If the amp hums, then the amp is still working and the problem is in the guitar. If there is no hum from doing this, then the amp has am intermittent.

Try this before it fails to see what to expect in the way of the hum from this test.

Common problems with the amp are OFTEN with a broken input connector or bad switch on the preamp output jack if it has one.

There are MANY other things and without troubleshooting it is hard to steer you to a fix.

Mar 26, 2010 | Fender '72 Tele Deluxe Electric Guitar

1 Answer

I have a crate cpb150 amp i want to connect it to my digitech gsp2101 via livewire stp-202 cable what is the correct way?


I can understand your confusion... and a lot depends how you are going to use this. There are some caveats regarding the connections,
If you use the 1/4 outputs on the GSP, there is a speaker modeling like function that is NOT available, that IS available IF you use the XLR outputs.
The STP is an "Insert Snake" which is not really what you want as it is intended to send and receive (audio going both directions in the cable.
If you want that speaker function, then you should get two XLR to 1/4 TRS cables and go from the XLR's on the GSP to the Left and Right inputs on the back of the Crate. Your audio or guitar then is connected to the GSP guitar input.
If you connect the guitar to the crate and then use the STP, Plug the TRS single connector into the Left/Mono/send/rtn on the Crate. The Send cable of the Y should go to the Send jack on the back of the GSP and the return should go to the left return jack of the GSP. This connection I would NOT recommend as it will be noisier and you will lose the stereo effect capabiltiy since the effect is inserted as a mono.

I believe you would be happier with using the XLR's to carry left and right to the Crate and run your inout to the GSP. In short, you have the wrong cable to do the best job.

Jan 30, 2010 | Crate Music

1 Answer

Buzzes and feedback


Make sure the "ground lift" option is used on the direct box.

DO NOT UNDER ANY CIRCUMSTANCES use a headphone output jack as the output of this unit. The headphone jack is for HEADPHONES that have no return to ground. Use of this as drive to a sound board is sure to cause problems and in some cases can fry these amps due to the circuitry.

The cable used to go to the direct box should be very short and high quality.

You should source the power for this unit from the SAME source and receptacle as your sound board if at all possible.

Nov 08, 2009 | Crate FlexWave FW15 Guitar Amp Combo, 15...

1 Answer

NO sound through the AMP even though the power light comes on


Not a fuse. First thing, to check your speaker (amp unplugged, of course), touch the + and - speaker connections to a 9V battery. If you don't hear a pop sound then your speaker is blown. Thus, no output sound. If speaker is OK, then the output IC is your problem.

Jul 12, 2009 | Music

1 Answer

Plugging line level into my crate TX15. all inputs sound distort


guitar amps are all set to a low Z resistance configuration. wich are made for guitar only. make sure you are using the right cables.
you need sheilded guitar cable not unshielded speaker cable in many cases these cables look exactly the same. look at your cable look for the words speaker or instrument. you need the instrument cable. if you still have that problem. then you may just not be satisfied with the quality of the amp it self.

Feb 26, 2009 | Crate FlexWave FW15 Guitar Amp Combo, 15...

1 Answer

Crate tube amp will not power up but cooling fan tries to run


Yes.
Are you saying that the only indication that it is running at all is that the fans are running? So the tubes don't light up? No indicators on the front of the amp?
Power supplies that provide multiple voltages, which your amp has, can provide some of the voltages while having a problem that prevents them from providing others, all while not blowing a fuse. If you are not confident in your ability to work on a piece of electronic equipment that has 120VAC coming in and at least 175VDC or more present inside it, bring it to a service center.
The good news is that it is probably not horribly serious. Problems like this can almost always be repaired in a cost effective manner.

Feb 11, 2009 | Crate Blackheart BH15H Handsome Devil...

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