Question about Fender Hot Rod Deluxe Guitar Combo Amplifier

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Fender Deville 212. Can not turn up the Reverb because I get a loud constant squeel.

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First check if the reverb "tank cables" are on tighly where they attach.

Posted on Oct 04, 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.

Sep 05, 2014 | Fender Musical Instruments Corporation...

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Is there a way to make the sound of the reverb on my deville 2-12 sound better ?


modding the reverb takes some electronics experience...if you know where the reverb circuit is. all you can really do is change the input caps that make the tone bright or dull... larger uf for dull... lower cap values for bright... it's in the signal circuits... dont mess with power caps. The schematic shows op amp into the tank and out of the tank to another op amp...Output of the tank to opamp.. Id double that input cap ( 330 pf ) to see if you get more response into the opamp... then look at the circuit C17-C18/R33-R34 894cf4a0-46f7-4f21-9667-be620f05b31d.png

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1 Answer

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...

1 Answer

Hey! I have a 1975 Silverface Super Reverb. recently, the reverb has stopped working, but I can still hear the coils vibrating if I give the amp a shake, so I'm assuming some connection is bad. If I...


The unit is screwed down. There are two screws one at each end. Look hard you will find them. Most of the time there is a small transducer (coli of wire) the small wires are usualy broke.

May 24, 2017 | Fender Hot Rod Deluxe Guitar Combo...

1 Answer

How do I replace a fender 2 x 2 deville pilot light? CL


You unscrew the plastic dome over the bulb. The bukb is a bayonet base. Push in and turn... probably counterclockwise and extract the bulb. Replace by reversing the process.

Use T47 or #47 (6 volt) lamp... available at Radio SHack and other places.

Jan 23, 2011 | Fender R) Hot Rod DeVille III 212 Guitar...

2 Answers

My Fender Hot Rod Deville reverb is not working. What should I look for in trying to fix this problem


There are two coils in the reverb unit which use delicate wires which can break off - these can easily be checked, as follows:-

i) Remove one cable plug from the reverb unit & substitute an uncapped phono plug to the socket.Then check that there is electrical resistance across the plug terminals.

ii) Reconnect original phono plug & do same test as i) to the other socket.

iii) If either is open-circuited, then look for a break in the lead-out wires from the corresponding coil inside the reverb unit.
This break may be repaired (contact me for details) or buy a new reverb unit!

iv) If there is electrical resistance at both sockets of reverb unit, then clean both original phono plugs & try the system again.

Sep 15, 2010 | Fender Hot Rod Deluxe Guitar Combo...

1 Answer

My Fender Blues Deville 212 has a very "ratty" tone on clean...


i am guessing on what the problem is , the post is very vague. i am guessing a channel switching issue. you need to check the "sugar cube" looking power resistors solder welds. they are probably cracked and arent making good contact. if you tap on the amp it will cut in and out, its probably these two resistors. they are usually 470ohm 5 watt cement resistors. what happens is they get real hot, and as they cool down they crack the little solder welds. i usually replace them with new and keep them floating up over the pcb to help them stay cool and off of the board to prevent further solder weld cracking, stock they are real close to the board. then put a little silicon under the resistor to hold it in place and to keep it still on the board. i just fixed a blues deluxe with this issue. while you are in there, cut out the resistor sitting right behind the reverb pot, this will make the reverb awesome. also solder the mid pot center leg to the mid pot leg that comes off of the bass pot leg to get better midrange control. very easy mods. check the master volume pot, is it a B100K? pull it and put an A250k in its place for better volume control. bias pots , etc. check my website yostamplifier.com.

Mar 05, 2010 | Fender Hot Rod Deluxe Guitar Combo...

1 Answer

Reverb problem


I highly doubt the reverb pan is dead, there are TL072 opamps on the input and output of the Reverb pan. Check those out. You can get the schematic from fenders website here. U6A and U6B are what you are looking for.

http://www.fender.com/support/amp_schematics/pdfs/Roc_Pro_1000_Schematic_B12.pdf

Dec 26, 2009 | Music

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

Hot Rod Deville, reverb squeal...


Here is an article that might help:http://www.guitarplayer.com/article/reverb-troubleshooting/jun-09/97165 Here is the schematic:http://www.fender.com/support/amp_schematics/pdfs/Hot_Rod_DeVille_Schematic.pdf Check to see if someone hasn't reversed the input and output cables at the reverb tank. Then troubleshoot the reverb section .

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