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FDP Forum / Fender Amps: Vintage (before 1985) / Reverb bypass



Jul 18th, 2016 06:27 PM   Edit   Profile  

If I disconnect the RCA cables that connect to the reverb tank of my '66 Super Reverb and insert a single jumper into those jacks:

Will I damage the amp in any way
What will the result be as to functionality of the Reverb knob?



(This message was last edited by macguy at 08:29 PM, Jul 18th, 2016)

Contributing Member

American Patriot

I'm on guard these days.
Jul 18th, 2016 07:55 PM   Edit   Profile  

Why insert a jumper? If you disconnect one reverb cable, your reverb is dead.



Jul 18th, 2016 11:19 PM   Edit   Profile  

...I was told by a guitarist that adding the jumper cable would turn the Reverb circuit into a higher gain circuit that would be controlled by the Reverb knob. I am just not comfortable trying this without some additional information.


Contributing Member

American Patriot

I'm on guard these days.
Jul 19th, 2016 09:03 AM   Edit   Profile  

Someone else will have to chime in on this one. I have never heard of doing this.



Jul 19th, 2016 11:17 AM   Edit   Profile  

I took the leap of faith and tried it...WOW, the gain is incredible!

There is some added noise that is remedied with turning down some Treble (or turning off the Bright switch) but the Reverb knob does function to increase the gain.

I reverted back to original configuration.


Contributing Member

Eat. Sleep. Guitar.

Jul 19th, 2016 02:36 PM   Edit   Profile  

Generally, a Fender amp with reverb can be converted to a drive control, but best performance is achieved by jumpering the reverb send and return with a 1K resistor across the center conductors.

FDP Forum / Fender Amps: Vintage (before 1985) / Reverb bypass

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