Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: fradenigris on June 18, 2016, 01:15:56 pm

Title: 1969 Super Reverb leaking reverb with pot at zero
Post by: fradenigris on June 18, 2016, 01:15:56 pm

Hello,
as thread title implies I have a problem with a '69 Super Reverb: I can still hear a faint reverb even with reverb pot at zero. I replaced the pot with a CTS one to no avail. Any suggestion?
Thank you!

Title: Re: 1969 Super Reverb leaking reverb with pot at zero
Post by: sluckey on June 18, 2016, 02:20:40 pm

Can you totally kill the reverb by turning it off with the footswitch?

Use a gator jumper clip lead connected between the middle lug of the reverb pot and chassis ground. Does this kill the reverb?

Title: Re: 1969 Super Reverb leaking reverb with pot at zero
Post by: mresistor on June 18, 2016, 04:08:49 pm

Fender put out a technical bulletin about the vibrato
 http://bmamps.com/Schematics/fender/Tech_Notes_-_Vibrato_Ticking_Fix.pdf (http://bmamps.com/Schematics/fender/Tech_Notes_-_Vibrato_Ticking_Fix.pdf)

Title: Re: 1969 Super Reverb leaking reverb with pot at zero
Post by: Colas LeGrippa on June 18, 2016, 08:16:00 pm

pot is dirty or defective , check with ohmmeter


Colas