Dumbloid Special Clone

  • Model: K118

£19.21

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"One of the most iconic and sought after amps in history ... in a pedal!"

A kit of components as recommended by Ivlark for assembly of the Shin's Music Dumbloid Special inspired stripboard pedal project.
Currently a much sought after, and very expensive boutique effect pedal from Japan. Kit supplied with optional clipping diodes to use if you prefer them to opamp clipping. If you would prefer to add the diodes as a switchable option, then add a 2 position DPDT toggle to your order.
NOTE - these kits are not intended for beginners, so the ability to identify components and values from their markings and to transfer a pictorial layout to physical stripboard is assumed. No written instructions are provided with the kit.
Latest assembly guides and layout are available here.


Manufacturers and product names are mentioned solely for circuit identification and comparison, and where applicable the trademarks are the property of their respective owners who are in no way associated or affiliated with Bitsbox. No cooperation or endorsement is implied.

Kit Contents:
  • Resistors:
    • 2x 100R Metal Film Resistor 0.25W 1%
    • 1x 220R Metal Film Resistor 0.25W 1%
    • 3x 1k Metal Film Resistor 0.4W 1%
    • 1x 1k8 Metal Film Resistor 0.25W 1%
    • 8x 10k Metal Film Resistor 0.4W 1%
    • 1x 100k Metal Film Resistor 0.4W 1%
    • 1x 150k Metal Film Resistor 0.25W 1%
    • 1x 1M Metal Film Resistor 0.4W 1%
  • Capacitors:
    • 2x 220nF Polybox
    • 1x 470nF Polybox
    • 1x 1uF Polybox
    • 1x 82pF NPO Ceramic
    • 1x 100pF Ceramic Disc
    • 1x 220nF Polyester Film
    • 1x 470nF Polyester Film
    • 1x 100nF Multilayer Ceramic
    • 1x 2.2uF 50V Electrolytic
    • 1x 22uF 25V Electrolytic
    • 1x 47uF 16V Electrolytic
    • 1x 100uF 16V Electrolytic
  • 2x 1N4148 Signal Diode
  • 2x BC548B
  • 1x OPA2134
  • 1x 3mm Red LED
  • 2x 22k lin 16mm Potentiometer
  • 1x 100k Log 16mm Potentiometer
  • 1x 1M Log 16mm Potentiometer
  • 1x 64x95mm Stripboard
  • 1x 3PDT Footswitch
  • 1x 2.1mm DC Chassis Socket
  • 1x SPDT Min Toggle Switch
Note: Obsolete or non-standard value components will have been replaced by currently available recommended substitutes or standard European equivalent values - more information available via the blog here.



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