Question about Fender Hot Rod Deluxe Guitar Combo Amplifier

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Fender deville 212 loud hum

When I switch from "standby" to "on" after a break, i get this very loud drone. The amp registers no signal from guitar. The only way to undo this is to switch the whole unit off for a while. Now it's starting to do this even without using the switch. It will just cut out my guitar and start doing the loud hum.

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Posted on Jan 02, 2017

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SOURCE: fender M-80 electric Guitar Amp.

You might have a ground problem. Does it do it in different outlets or when you take it to someone else's house? One easy solution to ground problems can be running a three prong to two prong adapter on the power cable. Give that a try and see if it helps.

Posted on Nov 10, 2008

  • 1137 Answers

SOURCE: Fender Hot Rod Deville 212 - popped and died

This may sound stupid, but did you check the fuse?

Posted on Apr 22, 2009

  • 5 Answers

SOURCE: Fender Frontman 65R Solid State guitar amp.

There is a protection thermistor in the circuit to keep it from over-heating, this is why it works again when it cools. Check and make sure you are not covering any ventilation holes, or if the unit has a fan, make sure it is working.

Posted on Aug 22, 2009

  • 5603 Answers

SOURCE: Deville 212 overdrive channel making Loud humming noise

It sounds like a filter capacitor(s) has failed. The electrolytic caps dry out and cease to perform allowing unfiltered power to reach the preamp sections and get amplified.

Being this is tube with high voltages, an experienced person should work on it due to shock danger.

I assume you checked the tubes for shorts as well as emission since a heater to cathode short could cause this as well.

Posted on Sep 30, 2009

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SOURCE: I Have the fender 212 soild state amp.When I plug

You likely have a bad input jack. A VERY common thing with these. They don't like to work on the jack because one has to remove too much to replace it. Lazy shop! Sometimes the solder has just broken loose or the board pads damaged. Replace the jack anyway as they take a beating.

Find a shop willing to work on it properly and DON'T accept it back until it is fixed!

Another problem with amps can be the preamp output jack switch which fails to close leaving the amp dead... but it usually won't hum much when that happens.

HINT: Loop your instrument cord through the handle so when you trip and yank on the cord it won't break the input jack... saves a lot of jack repairs!

Posted on Mar 29, 2010

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2 Answers

Fender Hot Rod Deville 212 sounds ok then LOUD HUM


On mine, the guitar input jacks get tarnished and causes all kind of interference and noise. Take a Q-Tip soaked with WD-40, run in down into the jack and brush up and down. Don't overlook the filter caps as they are a common cause of noise. You need a capacitor checker (the older tube type) to thourghly check those out.

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When I turn amp on there is a loud humming that does not stop.


try plugging into a different socket if that doesnt solve problem you may need to replace cord. sounds like a loose neutral in socket though.

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Fender hot rod deville 212 111. On the 2nd and 3rd distortion chanels the noise coming out of the speaker is very loud. Is this normal? Hard to play through the noise.


Hi. If the volume and drive levels are considerably low but you still hear a noise, you may want to consider trying a different guitar cable. The noise may be coming from a ground loop which is being amplified and overdriven by the amp itseld. I hope this helps. :-)

May 29, 2011 | Fender Musical Instruments Corporation...

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Just a loud hum when turned on.


Hum is always connected with the presence of AC interference into the signal path of the amplifier, which means the audio amplification is mixed with the ac ripples.
So this can be a break down with the power supply as a possible tank capacitor or a stabilizing capacitor in the main power or the sub sections of the amplifier or pre- amplifier.

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Just got my fender 63 reverb reissue unit...and when i switch it on all i get is a loud buzzing hum type sound .


If you unplug the guitar cable and STILL get the hum, the unit has a defect... return under warranty.

If the hum goes away when you unplug the cable, replace the cable and see if new cable fixes the problem. If it does, the cable has a bad shield.

If the cable didn't cure it, then the guitar has a defect. Remember that some guitar pickups are sensitive to the magnetic fields from the amps... only cure is to either use humbucker types or be a distance away from the amp.

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I Have the fender 212 soild state amp.When I plug my guitar in to the input.One of two things happen ethier no sound or a hum.I have had this amp in the shop .Had it returned to me and still the same...


You likely have a bad input jack. A VERY common thing with these. They don't like to work on the jack because one has to remove too much to replace it. Lazy shop! Sometimes the solder has just broken loose or the board pads damaged. Replace the jack anyway as they take a beating.

Find a shop willing to work on it properly and DON'T accept it back until it is fixed!

Another problem with amps can be the preamp output jack switch which fails to close leaving the amp dead... but it usually won't hum much when that happens.

HINT: Loop your instrument cord through the handle so when you trip and yank on the cord it won't break the input jack... saves a lot of jack repairs!

Mar 28, 2010 | Fender Frontman 212R 100W 2x12 Guitar...

1 Answer

Deville 212 overdrive channel making Loud humming noise


It sounds like a filter capacitor(s) has failed. The electrolytic caps dry out and cease to perform allowing unfiltered power to reach the preamp sections and get amplified.

Being this is tube with high voltages, an experienced person should work on it due to shock danger.

I assume you checked the tubes for shorts as well as emission since a heater to cathode short could cause this as well.

Sep 30, 2009 | Fender Hot Rod Deluxe Guitar Combo...

1 Answer

Fender Hot Rod Deville 212 - popped and died


This may sound stupid, but did you check the fuse?

Apr 22, 2009 | Fender Hot Rod Deluxe Guitar Combo...

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