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Crate ca60 musical amp..loud bzzzz upon power-up

Fuse looks good...speakers may have gotten wet...no obvious burns or breaks on circuit boards...1990`s vintage...direct short in pwr supply? buzzes loudly..as if no ground anywhere.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 29 Answers

SOURCE: Nothing but loud buzzing coming over the amp.

If the buzz disappears when you unplug the cable from the amp. check your cable.
If the buzz disappears when you unplug the cable from the instrument, there's something thay may have come loose inside the instrument.
If you unplug the cable from the amp., and the buzz persists, you'll have to have a competent tech. check your amp.

Posted on May 20, 2009

  • 7 Answers

SOURCE: 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.

Posted on Jun 28, 2009

bolinlamar
  • 157 Answers

SOURCE: looking for a circuit board manual or diagram for

try the Crate Website
http://www.crateamps.com/support/discontinued.phprate

Posted on Aug 20, 2009

RixsFixes
  • 2200 Answers

SOURCE: I have a crate PA 8 and it makes a crackling noise

Hi

The problem is with the amplifier itself. Crackling is usually capacitor related and you will need to have the amp checked over to properly identify the cause.

Some amps are also prone to pick up static from other electrical items which can also cause these problems. I had a crackling issue with an old Crate amp of mine which turned out it was due to being too near a computer/monitor so it is worth eliminating these things as a possible cause before having the amp checked.

Hope this helps. Thanks for using FixYa.

Posted on Oct 28, 2009

  • 5603 Answers

SOURCE: crate pa6fx powered mixer, powers on but when I

It is likely that there is a failure of one of the amps in the unit. It could be a cracked circuit board, bad solder, bad volume control, or a bad compnent in the power amp section for one side. HOWEVER something does NOT compute here as you can't connect more than one speaker to a 15 Watt Crate amp... Maybe you have two of these amps.

Posted on Dec 29, 2010

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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

Crate pa6fx powered mixer, powers on but when I hook speakers up to them, hear loud hissing and pops out of one of the speakers, nothing out of the other. I can hook up a mic and hear myself through the...


It is likely that there is a failure of one of the amps in the unit. It could be a cracked circuit board, bad solder, bad volume control, or a bad compnent in the power amp section for one side. HOWEVER something does NOT compute here as you can't connect more than one speaker to a 15 Watt Crate amp... Maybe you have two of these amps.

Dec 27, 2010 | Crate FlexWave FW15 Guitar Amp Combo, 15...

1 Answer

I have a crate GFX 50 and the effects come in only after about 15 minutes of play.


This is a warm up issue and can probably best be found by using circuit cooler on suspected components.

Other possible problems may be a bad solder joint or cracked circuit board.

Candle the board with a bright light to look for cracks.

Bad solder joints take experience to spot, but pay particular attention where panel mounted volume controls solder to the circuit board. Looking for the little ring around the solder menicus takes a sharp eye and good lighting. Resolder any suspected bad joints.

Jul 29, 2010 | Crate FlexWave FW15 Guitar Amp Combo, 15...

1 Answer

I have a Crate GT 15, not getting anything to the speaker when I plug in.


Do you have electronics experience? Inspect the amp for broken or cold solder joints and any burned components. Check to see if the fuse blew and that the output IC's or transistors (not sure what Crate used in these) are not bad. Check your speaker wire as well.

Jan 15, 2010 | Crate FlexWave FW15 Guitar Amp Combo, 15...

1 Answer

It will not work what colud be wrong


its a crate. 60% of all crate amplifiers go back on defects. take the top screws out and slide out the chasis, look at the fuse and determine if its toast. if the fuse is good, get a new amp. if the fuse is bad replace it and you should be good. the circuit board will have the correct fuse to be used printed on the board.
yostamplifier.com

Dec 30, 2009 | Crate FlexWave FW15 Guitar Amp Combo, 15...

1 Answer

I have a crate PA 8 and it makes a crackling noise when I play through it. I hooked the speakers to my other amp and they sound good, I hooked the PA to my marshall cab and it still has the noise, so I...


Hi

The problem is with the amplifier itself. Crackling is usually capacitor related and you will need to have the amp checked over to properly identify the cause.

Some amps are also prone to pick up static from other electrical items which can also cause these problems. I had a crackling issue with an old Crate amp of mine which turned out it was due to being too near a computer/monitor so it is worth eliminating these things as a possible cause before having the amp checked.

Hope this helps. Thanks for using FixYa.

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

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...

1 Answer

I have a Crate PA-8 that hasn't been used in a long time. I destress and sing. Anyoo it has a power issue. Light is flashing on then goes off. I can't find a manual. Can anyone assist me please?


you have either a failing fuse or a failing power transformer. take out the screws on the top of the amp, leave the handle in tact and pull out the chasis. look at your fuse to see if it is in its holder correctly, and see if the fuse is burnt. the correct fuse values will be printed on the circuit board. if the fuse looks good then, it may be the power tranny going south.

May 08, 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, techmail@loudtechinc.com.

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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