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Fuzz · Mad Professor

Mad Professor Fire Red Fuzz

The Fire Red Fuzz is a hand-wired fuzz pedal based on a Big Muff topology with a JFET output stage and a distinctive diode circuit that affects its dynamic response. Premier Guitar gave it a perfect 5 out of 5 rating, noting its silicon circuit and flexible Tone control allow it to adapt across a wide range of sounds.

  • 7.5-18V DC · center −
  • 2.5 mA
  • Analog
New
from $167.60
Used (asking)
from $150

The rundown

Highlights

  • Hand-wired construction with JFET output stage
  • Big Muff-derived design with unique diode dynamics
  • Flexible Tone control for shaping the fuzz character
  • Runs on 7.5-18V DC power (9V battery compatible)
  • Compact format at 66.5 x 114.3 mm

Best for

Players seeking a versatile fuzz pedal with classic Big Muff character and modern hand-wired construction.

Professional reviews

What the press rated it. We link to each review; read the full piece for the details.

Quick facts

Power
7.5-18V DC
Current draw
2.5 mA
Polarity
Center negative
Dimensions
66.5 × 114.3 mm
Status
In production

Where to buy Mad Professor Fire Red Fuzz

$167.60 lowest new price · Reverb

Used listings asking $150–$204.94, median $185.58 (3 listings, small sample). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbUsed$150View
ReverbNew$167.60View
ReverbUsed$185.58View
ReverbUsed$224.30View
ReverbNew$264View

Prices last checked 22 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power supply does the Fire Red Fuzz need?

The Fire Red Fuzz runs on 7.5-18V DC with center-negative polarity and draws 2.5 mA, and it is battery-compatible.

What size is the Fire Red Fuzz?

The Fire Red Fuzz measures 66.5 x 114.3 mm.

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.