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#1 2014-03-30 14:23:43
- Throttleman
- New member
- Registered: 2014-03-21
- Posts: 5
V4 reverb buzz, only when using footswitch jack
I have a new to me '76-77 V4 master volume that is all original down to the tubes. Everything is working as expected with one exception.
The reverb is very quiet and sounds great when I don't use a footswitch. When I use a generic footswitch in the jack I get a buzz when the reverb is switched on. The buzz increases as I turn up the reverb.
Any thoughts would be appreciated. My first thought is get a better quality switch.
Great site and have learned a lot here already.
Thanks!
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#2 2014-03-31 03:58:28
- hangman
- Banned
- From: Seattle Washington
- Registered: 2006-09-04
- Posts: 1848
Re: V4 reverb buzz, only when using footswitch jack
Definitely try a better foot switch. The switch just grounds out the reverb signal when the reverb is turned off, but when the reverb is on there is
A part of the reverb circuit that is connected to the insulated wire in the footswitch if the insulation isn't good you will get a hum.
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#3 2014-04-08 04:00:50
- doug_olitsky
- Member
- From: Gold Coast, Long Island, NY
- Registered: 2009-02-19
- Posts: 45
- Website
Re: V4 reverb buzz, only when using footswitch jack
I had the same issue, easy fix
Just buy a good quality instrument cable, cut off one end and replace the cheap cord that came w/ the foot switch. Clean reverb will be yours
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