The Dallas Rangemaster Treble Booster is a Dallas boost pedal, currently around $3558.02. Close alternatives include the Colorsound Power Boost and the Hudson Electronics Sidecar 24V. It pairs well with the Marshall Bluesbreaker and the Dumble Steel String Singer.

Dallas Rangemaster Treble Booster

Dallas · pedal

The Dallas Rangemaster Treble Booster is a single-knob germanium boost designed in London in 1965, built around a Mullard OC44 germanium transistor. Rather than a full-range boost, it emphasizes upper-midrange and treble frequencies above roughly 2.6 kHz, adding sweet, warm coloration and soft germanium clipping when pushed. Placed in front of a cranked valve amp, it tightens and brightens the signal and drives the amp into smooth, singing overdrive. It is famously associated with Rory Gallagher, Tony Iommi, Brian May, Eric Clapton, and Marc Bolan, shaping much of the late 1960s and early 70s British rock and early metal guitar tone. Unit-to-unit variation is high due to germanium transistor tolerances.

  • germanium
  • treble
  • boost
  • valve
  • metal
  • warm
  • overdrive
  • clipping

Price updated Aug 27, 2026

Genres the Dallas Rangemaster Treble Booster is commonly used in

  • Hard Rock
  • Metal
  • Rock
  • Blues Rock
  • Alternative
    citedInferred from shared tonal signals, not a stated genre tag.
  • Classic Rock
    citedInferred from shared tonal signals, not a stated genre tag.

Amps that pair well with the Dallas Rangemaster Treble Booster

See all 38 amps that pair with the Dallas Rangemaster Treble Booster

Pedals that stack with the Dallas Rangemaster Treble Booster

Caroline Guitar Company Meteore

Caroline Guitar Company

33% match

The Rangemaster's germanium treble boost feeds the Meteore's warm, spring-style reverb a brighter signal. — goes in the amp's FX loop (or last, into a clean amp)

Boss OC-5

Boss

33% match
$150.68via Reverb

The Rangemaster's germanium treble boost feeds the OC-5's octave tracking a brighter, more defined signal.

Caroline Guitar Company Somersault

Caroline Guitar Company

31% match
$219via Reverb

The Rangemaster's germanium treble boost sharpens the front end before the Somersault's watery modulation smears it around.

Electro-Harmonix Memory Boy Analog Delay

Electro-Harmonix

31% match
$108.71via Reverb

Feed the Memory Boy's warm analog echo with the Rangemaster's germanium treble boost and the repeats pick up real brightness. — goes in the amp's FX loop (or last, into a clean amp)

Boss DD-7 Digital Delay

Boss

31% match
$223.03via Reverb

The Rangemaster's warm germanium treble boost feeds the DD-7's reliable digital repeats a brighter signal to echo, not stacking gain with it. — goes in the amp's FX loop (or last, into a clean amp)

Catalinbread Belle Epoch

Catalinbread

31% match
$178.49via Reverb

The Rangemaster's warm germanium treble boost feeds the Belle Epoch's tape-voiced repeats a brighter signal to echo, not stacking gain with it. — goes in the amp's FX loop (or last, into a clean amp)

Caroline Guitar Company Icarus

Caroline Guitar Company

31% match

Both germanium-based, the Rangemaster's treble cut and the Icarus's clean boost stack into a brighter, more clipped push than either alone.

Strymon Zelzah -Dimensional Phaser

Strymon

30% match
$340.56via Reverb

Run the Rangemaster's germanium boost ahead of the Zelzah so the lush phase sweep has a brighter, more present signal to modulate.

See all 99 pedals that pair with the Dallas Rangemaster Treble Booster

Cheaper alternatives

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See all alternatives to the Dallas Rangemaster Treble Booster (cheaper + boutique) →

Questions people ask

What are good alternatives to the Dallas Rangemaster Treble Booster?+

The closest matches in character are the Colorsound Power Boost, the Hudson Electronics Sidecar 24V, the Caroline Guitar Company Icarus. Budget picks: Dunlop MXR M104 Distortion+, EarthQuaker Devices White Light, Vox VTB-1 Treble Booster.

What pairs well with the Dallas Rangemaster Treble Booster?+

Strong matches from rig and tone-complementarity evidence: Marshall Bluesbreaker, Dumble Steel String Singer, Ampeg Rocket Bass RB-115 Combo Bass Amp — The Rangemaster's germanium treble boost is built to push a cranked valve amp like the Bluesbreaker into smooth, singing overdrive..

How much does the Dallas Rangemaster Treble Booster cost?+

Around $3558.02 (live listing price, updated Aug 27, 2026).

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