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I have a Crate GTX212W Guitar Amplifier. There is an effects unit in the amp which almost looks like it was added as an after thought. This unit causes a buzz that gets very annoying and can sometimes be overwhelming. I can quite the noise by opening the amp and fiddling with the plug, or by unplugging the unit all together, but this leaves me with no reverb. Is there anything I can do to stop the buzz? Shielding the cables maybe?

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  • 1,348 Answers

Grounding it,and encasing the box in foil and grounding the foil

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I just picked up a Crate VTX 212 amp. It sounds great! However, it hums a little louder than it should. I'm thinking it's a bad ground somewhere? Anyone out there deal with this before?
Check your guitar with another amp, or a different guitar with this one with no effects pedals, etc, to narrow it down to just the amp. At that point, try reversing the polarity. If none of the above helps, you may indeed have a bad ground somewhere and you'll need a tech to follow it to the source.

Aug 16, 2015 | Crate Music

1 Answer

How do I connect Aleis gt with alesis q2
Those units are both made to go in the effects loop of an amplifier, you would want to hook your effects send to the input of one unit, then the output of that to the input of the second unit, and the final output into the effects return of your amplifier

Feb 24, 2015 | Alesis Music

1 Answer

Crate Accustic-125D amp
Your best bet is to contact Crate directly. Here's the link-
http://www.crateamps.com/support/index.php

Mar 29, 2014 | Crate CA6110DG Gunnison Acoustic Guitar...

1 Answer

Effects don't work
On some amps there needs to be a footswitch inserted in the control jack to activate the effects circuit. Contact Crate to see if that's the case with your amp.
http://www.crateamps.com/support/index.php

Jan 28, 2014 | Crate CA30DG Taos Acoustic Guitar Amp, 30...

1 Answer

Crate flexwave 120 head effects malfunctioning
That is probably a momentary switch that is dirty and sticking. These onboard effects on guitar amps are usually nothing more than a computer sound card and I've found bad connections going to and from them as well. I do think that switch is dirty and sticking, though.

Feb 19, 2013 | Crate FlexWave FW120H Guitar Amp Head with...

1 Answer

Where is the serial number on a crate amplifier
Real basic owners manual is here:
http://www.crateamps.com/pdf/manuals/CA6110DG_OM.pdf

Look at the chassis, or pull a part number off the original speaker to match speaker and back cross reference to the amp versions that used it. The OM is at least good enough with the block diagram to allow it to be serviced easily enough.

Feb 21, 2012 | Crate CA6110DG Gunnison Acoustic Guitar...

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

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

Mar 23, 2010 | Crate Music

1 Answer

Bass amp blowing fuses
Hi

Go to www.ezrepair.ca and send it to us.
We will diagnose your unit for free and give you an estimate in a 48H maximum period.

Jun 28, 2009 | Crate FlexWave FW15 Guitar Amp Combo, 15...

2 Answers

Looking for a circuit board manual or diagram for a crate mx120r guitar amp
You can try Loud Technologies @ 866-858-5832, [email protected]

They hooked me up with parts and schematic for my Crate G212XL.

Apr 18, 2009 | Crate FlexWave FW15 Guitar Amp Combo, 15...

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