Tone Electro-Sound Guitar Pick-Up & Electronics Cleaner
  Does your electric guitar make a scratchy sound when you turn the volume or tone knob? Or how about your amplifier? Are you afraid to adjust it on stage because of the awful noise just turning the knob makes?
If so, most likely you have a dirty poteniometer. The "pot" is the little round gizmo behind the knob that actually does the work. When the pot gets dust or corrosion inside it, the contacts inside it create a harsh static-type sound as you try to adjust it by rotating the knob. What can you do about it?
Try some Electro-Sound. This handy electronics cleaner is great to have around. Spray a little down shaft of the pot or into an opening if there is one. Then work the knob back and forth. If the noise doesn't go away or at least lessen significantly, well, sorry to say, but you need a new potentiometer.
Electro-Sound works well on guitar pick-ups, switches, variable controls (potentiometers), mike
connectors, jacks, signal cord connectors, tube pins, sockets, circuit boards, and other electrical
components. It cleans selectively and is non-conductive, harmless to lacquer, electrical parts,
strings, mikes, amplifiers, skin, or clothing.
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