Guitar Killswitch

Step 1What is a killswitch?

What is a killswitch?
For those of you that don't know what a guitar kill switch is, it's basically a momentary switch, that when pressed, stops signal from going out of the guitar and going into the amp. Basically, when the button is pressed, there is no noise. Les Paul players usually achieve this effect by setting one pickup's volume to zero, and switching back and forth between pickups, creating a stuttering effect. However, this cannot be done on a Strat., since there is only one volume potentiometer.

The basic concept of my killswitch design is to create a circuit in which the output signal can reach the ground. When the circuit is completed (by pressing the switch), there no sound is heard.

IMPORTANT: Simply putting an on/off switch on the outgoing signal wire is VERY BAD. The resulting sound is that of when you unplug or plug your guitar in. That annoying buzz.
Source - http://www.stinkfoot.se/andreas/diy/mods/killswitch.htm

The popping sound is normal, due to the physics of the killswitch. Adding resistors and capacitors wont do anything. Source - http://alexplorer.net/guitar/mods/killswitch.html

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9 comments
Dec 3, 2009. 1:48 PMGlockenator says:
isnt the pick up a 7 string?
Nov 25, 2009. 2:56 PMPOB! says:
 is the pickup supposed to be for a 7 string guitar?
Oct 8, 2009. 9:49 PMbeardedwalrus says:
I notice in the diagram that you are soldering the wires to two of the prongs, but in step 6 you solder one wire to the middle prong and the other wire to the pot itself. Why is that? I'm confused as to where I should solder that wire 
Oct 9, 2009. 7:11 PMbeardedwalrus says:
works like a charm thanks
Aug 21, 2009. 2:40 AMzombietransit says:
the popping sound is only notcied when using the killswitch correct?

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Author:itsachen
Student, guitarist, tinkerer I've always loved tools and working with my hands. Coupled with a DIY spirit and intrinsic frugality, I try to bring you something new with each instructable.