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How to Make a Practice Guitar Amplifier With a Volume Control

Making the practice guitar amplifier with a volume control is very similar to the fixed volume version, however instead of changing R2 a potentiometer is added to the input signal.

Parts list

Assembly instructions

  • Follow the build instructions to make the amplifier, however don’t fit R1 or the jack lead supplied with the kit
  • Connect the jack plug to the potentiometer and board as shown below:


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2 thoughts on “How to Make a Practice Guitar Amplifier With a Volume Control”

  • David Blanchard June 26, 2016 at 9:43 am

    I have made an amp using your mono amp kit Jack socket and pot as instructions. This works fine with a guitar with piezo pickup, but does not work with guitars with magnetic pickup. What is the reason for this and is there anything I can do to rectify the problem?


    • Mark Donnison July 4, 2016 at 5:09 pm

      Hi David, there a number of possibilities. If you could email us at [email protected] with some more information about both Guitars and how the Jack has been wired we should be able to help you get to the bottom of the problem.

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