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Fuzz · Roshi

Roshi Gruff V1

The Roshi Gruff V1 is a hand-wired fuzz pedal that recreates the Triangle Big Muff design from 1966, using vintage Japanese transistors and ERO MKT1813 capacitors for its analog circuitry.

  • 9V DC · center −
  • 3 mA
  • True bypass
  • Analog
  • Mono
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The rundown

Highlights

  • Hand-wired analog fuzz circuit based on 1966 Triangle Big Muff topology
  • Uses vintage Japanese transistors and ERO MKT1813 capacitors
  • True bypass with low power consumption at 3 mA
  • Runs on 9V DC power with battery compatibility
  • Compact pedal weighing 485 grams

Best for

Players seeking a vintage-styled fuzz pedal with hand-wired construction and classic Big Muff tones.

Quick facts

Power
9V DC
Current draw
3 mA
Polarity
Center negative
Bypass
True bypass
Dimensions
112 × 153.7 mm
Weight
485 g
Stereo
No
MIDI
No
Expression input
No
Status
In production

Where to buy Roshi Gruff V1

We have no current prices for this pedal yet.

Frequently asked questions

What power supply does the Roshi Gruff V1 use?

The Roshi Gruff V1 runs on a 9V DC supply with center-negative polarity and draws 3 mA of current.

Is the Roshi Gruff V1 true bypass?

Yes, the Roshi Gruff V1 features true bypass.

What are the dimensions of the Roshi Gruff V1?

The Roshi Gruff V1 measures 112 x 153.7 mm and weighs 485 grams.

Similar pedals

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Specs from pedalfilter. Summary written by PedalBro from those specs and public descriptions.

Page last updated September 29, 2026.