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Crate fw120h won't switch to clean or high gain channels from the head

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tednugentlives

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Try with a on/off footswitch Wrong cable, or bad PCB connection switch on main tone board.

Posted on May 02, 2019

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Arthur Wiseman Jr

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SOURCE: my crate gtd 65 footswitch is not working

sounds to me like your din plug on your controller is messed up ? hope this helps !

Posted on Jun 03, 2011

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I have a crate 16 channel mixer and when i power it on i cant usually get sound through the channels when i hook up a mike sometimes the low z input works and sometimes not. the regular line in for the mic...


If you have already spray cleaned the pots and switches then the problem is almost surely bad solder connections on the board. This happens often if unit travels a lot with no case. Resolder all pots, switches and jacks and check copper trace for breakage at these places. In case of broken trace hard wire across breakage.

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1 Answer

Crate amp head loose spring


its the reverb tank spring, look where it is connected on the other side. this will give you an idea as to where it was connected. solder it back on.

May 10, 2013 | Crate FlexWave FW120H Guitar Amp Head with...

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

Dsp quit and tuner quit working


Both those LIKELY run on a 5 volt supply within the unit. Check for the presence of that voltage... some new stuff MIGHT be 3.3 volts DC, but you should find those voltages. If missing, it may be a shorted electrolytic filter cap OR the filter cap associated with creating the 5 volts from the supply. You really need the schematic for this... try to procure one.

Sep 13, 2011 | Crate FlexWave FW120H Guitar Amp Head with...

1 Answer

Flexwave 120H Speaker wire shorted amp won't work


Solid state amps are very subject to blowing out the output transistors if speaker leads get shorted. Take it in for repair.

Aug 31, 2011 | Crate FlexWave FW120H Guitar Amp Head with...

2 Answers

Crate flexwave 120 tuner and all effects stoped working


Hi there,I have the same problem with my flexwave 120. I opened the amp to measure several capacitors on the small effect circuit board. If one of this capaciters have internal short circuit, wich will effect the others causing effects to fail. I removed them one by one to find possible short circuit. All capacitors were ok. I think the problem is in the processor wich is to diffucult to replace. I think it's easier to replace the effects circuit board. But where do we find this board??10_29_2011_6_25_35_am.jpg

Aug 07, 2011 | Crate Flexwave Fw120h 120 Watt Head Dsp...

1 Answer

Sound is shorting out...its not the cable that I am using I have no trouble with it in any other amp. The overdrive channel does not work at all. And randomly all the effects will just decide they want to...


It sounds like the DSP processor is either about to go out, or is mostly there. Have a qualified amplifier technician take a look at the DSP. Also look up the cost of a new one.

Hope that helps!

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/cameron_463100ffd54b591d

Feb 12, 2011 | Crate Flexwave Fw120h 120 Watt Head Dsp...

1 Answer

I need schematics for this amp. know where I can get them?


Josh,

I also need schematics for this amp. How about whoever finds it first shares with the other?
Cool, Thanks,
bob at stumpweb.com

Jan 27, 2011 | Crate Flexwave Fw120h 120 Watt Head Dsp...

2 Answers

MG100HDFX Amp - crunch setting seems too loud


There are 2 channels, Which means there are 2 sets of knobs ... One for clean and one for crunch. Start out with a low master volume and set up the crunch, Then the clen and switch between the 2 and make adjustments until they match volume wise ... Then turn the master up.

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