The Tru-Fi Rangemaster Fuzz is a Tru Fi fuzz pedal, currently around $199.95. Close alternatives include the Dophix Medici and the Catalinbread Karma Suture. It pairs well with the Dumble Steel String Singer and the Marshall JTM45 45W Tube Guitar Amp Head.

Tru-Fi Rangemaster Fuzz

Tru Fi · pedal

The Tru-Fi Rangemaster is a treble booster based on the classic Dallas Rangemaster circuit famously used by Brian May of Queen, along with Black Sabbath and Deep Purple guitarists, to push mildly overdriven tube amps into a signature crunch rock sound. It is built with genuine OC44 Mullard black glass germanium transistors for period-correct tone. Unlike the originals simple on and off switch, Tru-Fis version uses a tri-mode frequency selector offering full-range, treble-focused, and bass-enhanced voicings from the same circuit. Reviewers note it retains fuzz-like harmonic richness without losing clarity or note definition, a common weakness in other treble boosters and fuzz-adjacent circuits. Suited to classic rock and hard rock players driving an already-overdriven tube amp into a more aggressive, cutting tone.

What stands out

  • “Suited to classic rock and hard rock players driving an already-overdriven tube amp into a more aggressive, cutting tone”

    — from the listing

  • “a common weakness in other treble boosters and fuzz-adjacent circuits”

    — from the listing

  • “though treble boosters generally require an already-driven amp to sound their best”

    — from the community notes

  • “it is built with genuine oc44 mullard black glass germanium transistors for period-correct tone”

    — from the listing

  • “The Tru-Fi Rangemaster is a treble booster based on the classic Dallas Rangemaster circuit famously used by Brian May of Queen, along with Black Sabbath and Deep Purple guitarists, to push mildly overdriven tube amps into a signature crunch…”

    — from the listing

  • classic rock
  • treble
  • fuzz
  • harmonic richness
  • driven
  • transistor
  • treble booster
  • classic rangemaster sound
$199.95View on Reverb

Price updated Oct 24, 2026

Genres the Tru-Fi Rangemaster Fuzz is commonly used in

Amps that pair well with the Tru-Fi Rangemaster Fuzz

Dumble Steel String Singer

Dumble

26% match

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (bright → smooth)

Where this leans bright, Dumble Steel String Singer answers back smooth

Comes later in the signal chain

Marshall JTM45 45W Tube Guitar Amp Head

amplifier

26% match

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (bright → warm)

Run Marshall JTM45 45W Tube Guitar Amp Head after it and the bright edge settles into something more warm

Comes later in the signal chain

Hiwatt Park P18LH 'Little 45' Handwired18W

Hiwatt

tonal match
$4300via Reverb

Comes later in the signal chain

Where this leans bright, Hiwatt Park P18LH 'Little 45' Handwired18W answers back warm

Orange BT1000H Terror Bass 1000-Watt Bass Amp

Orange

tonal match

Comes later in the signal chain

Run Orange BT1000H Terror Bass 1000-Watt Bass Amp after it and the bright edge settles into something more warm

Orange Terror Bass

Orange

tonal match
$754.36via Reverb

Comes later in the signal chain

Run Orange Terror Bass after it and the bright edge settles into something more warm

Orange Little Bass Thing

Orange

tonal match
$683.03via Reverb

Comes later in the signal chain

Where this leans bright, Orange Little Bass Thing answers back warm

Gibson GA-50

Gibson

tonal match

Comes later in the signal chain

Gibson GA-50's warm balances out the bright tone

Park P45H

Park

tonal match

Comes later in the signal chain

Park P45H leans warm right where the bright tone needs it

Pedals that stack with the Tru-Fi Rangemaster Fuzz

TC Electronic SCF Gold Stereo Chorus

TC Electronic

23% match

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

TC Electronic SCF Gold Stereo Chorus's analog warmth voice goes after Tru-Fi Rangemaster Fuzz in the signal chain — it's not there to compete with Tru-Fi Rangemaster Fuzz's own bright character

Comes later in the signal chain

Ashdown Velvet Compressor

Ashdown

19% match
$243.31via Reverb

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (bright → smooth)

What Ashdown Velvet Compressor brings here leans toward compressed — that's worth building a pairing around

Comes earlier in the signal chain

Greer Mizuki blue

Greer

18% match
$199via Reverb

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (bright → warm)

Where this leans bright, Greer Mizuki blue answers back warm

Comes earlier in the signal chain

One Control Lingonberry Overdrive

One Control

18% match
$144.99via Reverb

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (bright → warm)

One Control Lingonberry Overdrive's warm balances out the bright tone

Comes earlier in the signal chain

Walrus Audio Fable

Walrus Audio

18% match
$239.99via Reverb

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Put Walrus Audio Fable after Tru-Fi Rangemaster Fuzz in the signal chain, clear of Tru-Fi Rangemaster Fuzz's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Suhr Discovery

Suhr

16% match
$579.53via Reverb

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Keep Tru-Fi Rangemaster Fuzz's bright voice out front: Suhr Discovery goes after Tru-Fi Rangemaster Fuzz in the signal chain so its warm voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Dunlop Blue Hippo Optical Tremolo

Dunlop

tonal match

Comes later in the signal chain

Where this leans bright, Dunlop Blue Hippo Optical Tremolo answers back warm

SolidGoldFX Commodore Breaker Overdrive

Solidgoldfx

tonal match
$152.15via Reverb

Comes earlier in the signal chain

Run SolidGoldFX Commodore Breaker Overdrive after it and the bright edge settles into something more smooth

Cheaper alternatives

DOD Carcosa

Digitech

47% similarity
$119.23via Reverb

Shared character: articulation, treble, fuzz

Fender Bassman Fuzz

Fender

47% similarity
$96.74via Reverb

Shared character: fuzz, clarity, classic rock

EarthQuaker Devices Barrows Fuzz Attacker

EarthQuaker Devices

46% similarity
$119via Reverb

Shared character: fuzz, clarity, classic rock

EarthQuaker Devices Hoof Hybrid Fuzz

EarthQuaker Devices

46% similarity
$179via Reverb

Shared character: treble, fuzz, classic rock

Dophix Nettuno

Dophix

45% similarity
$164.75via Reverb

Shared character: boost, aggressive playing, classic rock

Warm Audio Foxy Tone Box

Warm Audio

44% similarity
$109.99via Reverb

Shared character: original circuit, aggressive playing, classic rock

Boutique & premium upgrades

smallsound/bigsound Team Awesome Fuzz Machine

smallsound/bigsound

52% similarity
$350via Reverb

Shared character: fuzz, boost

Univox Super-Fuzz

Univox

49% similarity
$599via Reverb

Shared character: hard rock, fuzz, aggressive playing

Spaceman Rumblefuzz II

Spaceman

45% similarity
$348.39via Reverb

Shared character: fuzz, full

Death By Audio Supersonic Fu

Death By Audio

45% similarity
$270via Reverb

Shared character: hard rock, aggressive playing, full

Similar character

Dophix Medici

Dophix

51% similarity

Shared character: classic rock, full

Catalinbread Karma Suture

Catalinbread

44% similarity
$179.99via Reverb

Shared character: articulation, fuzz, boost

Sola Sound Tone Bender MkII

Sola Sound

43% similarity
$244.69via Reverb

Shared character: hard rock, fuzz, aggressive playing

Wampler Velvet Fuzz

Wampler

43% similarity
$199.97via Reverb

Shared character: fuzz

Roger Mayer Fuzz Box

pedal

43% similarity
$229via Reverb

Shared character: fuzz, aggressive playing, classic rock

Beetronics Swarm

Beetronics

41% similarity
$249via Reverb

Shared character: fuzz

See all alternatives to the Tru-Fi Rangemaster Fuzz (cheaper + boutique) →

Questions people ask

What are good alternatives to the Tru-Fi Rangemaster Fuzz?+

The closest matches in character are the Dophix Medici, the Catalinbread Karma Suture, the Sola Sound Tone Bender MkII. Budget picks: DOD Carcosa, Fender Bassman Fuzz, EarthQuaker Devices Barrows Fuzz Attacker. Boutique upgrades: smallsound/bigsound Team Awesome Fuzz Machine, Univox Super-Fuzz, Spaceman Rumblefuzz II.

What pairs well with the Tru-Fi Rangemaster Fuzz?+

Strong matches from rig and tone-complementarity evidence: Dumble Steel String Singer, Marshall JTM45 45W Tube Guitar Amp Head, Hiwatt Park P18LH 'Little 45' Handwired18W — Where this leans bright, Dumble Steel String Singer answers back smooth.

How much does the Tru-Fi Rangemaster Fuzz cost?+

Around $199.95 (live listing price, updated Oct 24, 2026).

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