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Fender Hot Rod Deville
Joined: Sep 10, 2006 Posts: 250 Lancaster, CA 
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Posted on Sep 20 2006 03:10 AM
I've had mine for about four years and I get a "crackle" sound at low volumes especially with single coil pickups. Dean(aka Moondevil) |
Joined: Aug 18, 2006 Posts: 1732 |
Posted on Sep 20 2006 09:16 AM
Dude post here... http://www.fenderforum.com/forum.html?db=&message_area_number=22&lastpost=2006-09-2008:04:05 Be prepared to get more info than you ever wanted though... |
Joined: Feb 27, 2006 Posts: 5308 the outer banks of north carolina
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Posted on Sep 20 2006 01:10 PM
i too got crackle out of mine and traded it in on a deluxe reverb. good move on my part. — |
Joined: Mar 07, 2006 Posts: 62 La Crescenta CA. 
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Posted on Sep 22 2006 10:53 AM
There are a bunch of things that can cause this but since you say you don't think it's a microphonic tube I have seen two other common things that cause what you're talking about on this amp. The first is one of the speakers develops a crackling, buzzing sort of noise which was fixed just by removing and reinstalling them making sure the mounting screws are tight and that nothing is rolling around in there. You can quickly check by plugging the speakers into another amp and seeing if you still get the noise. The other problem occurs with the reissues that have a printed circuit board, which is almost all of them. I've seen it on a whole bunch of Deluxes as well as the others. The solder cracks around the leads of the components especially the large ones. The fix is to tap gently or actually move with your finger (very carefully there is HIGH VOLTAGE in there) each component whilst the amp is on and the PC board is exposed. When you find the one that gives the problem you will have to remove the PC so you can get to the bottom and resolder the pad that is cracked. It is a BIG PAIN and I would take the time to carefully resolder all the pads as long as you have the thing taken apart especially the pads on the tube sockets. Make sure you don't get solder where it's not supposed to be. Hope this helps |
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Joined: Sep 10, 2006 Posts: 250 Lancaster, CA
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Posted on Sep 22 2006 02:38 PM
The speaker problem you just addressed, is that more of an acoustic noise rather than a electronic crackle? I can plug into a different cabinet and see. I HOPE it isn't the PCB, this amp hasn't seen a lot of gigging since I got it. Thanks —Dean(aka Moondevil) |
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Joined: Feb 27, 2006 Posts: 3832 netherlands 
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Posted on Sep 22 2006 02:47 PM
actually, use a wood stick to poke around live amps - AND unplugged amps unless you know how to drain filtercaps and check for residual voltage on the caps. Actually, don't open up an amp if you don't know what you're doin, the voltages are not just high, they are <u>lethal</u>. I used to have a blues deluxe with the crackle, it was the solder joints on the pcb mounted inputs - a ridsiculous conctruction for an amp, btw. I put in a new jack and leads tpo the pcb instead of pcb-mount, and never had a problem again. WR —Rules to live by #314: |
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