Brian May treble booster and Vox AC30 combination for Queen-inspired tones.

Dallas Rangemaster recreation with hand-picked germanium. Named for Clapton's Bluesbreakers album.

Rangemaster into Fuzz Face circuit. Silicon transistors deliver germanium-style response with stability.

Four classic boost circuits in one box: silicon treble booster, JFET preamp, op-amp, and MOSFET.

Treble booster with hand-selected NOS 2N2222A transistor. Three-way toggle: treble, mid, or fat voicing.

Treble booster with hand-selected NOS 2N2222A transistor. Three-way toggle: treble, mid, or fat voicing.

DIY PCB for building a Dallas Rangemaster clone - the 1965 treble booster used by Brian May and Tony Iommi.

Dallas Rangemaster treble boost with NOS germanium transistor and 3-way input cap switch for bass control.

Dallas Rangemaster recreation with hand-picked germanium. Named for Clapton's Bluesbreakers album.

Germanium AC-128 treble booster inspired by Rangemaster. Voltage inverter for standard power.

Buffered treble enhancer using the Baby Pink Booster buffer—restores clarity lost in your chain.

Rangemaster-inspired germanium treble booster with Range control and internal Full/Cut switch.

Rangemaster-style germanium treble booster with classic British voicing.

JFET Class-A preamp/booster with parametric mids, treble control, and impedance switch for Rangemaster-style tones.

Rangemaster treble boost with NOS OC71 germanium transistors. Limited to 700 units, sold out fast.

Fuzz with Rangemaster-style treble boost influence. Provides vintage-inspired fuzz with touch-sensitive cleanup.

BJF dual booster combining Little Red Trebler and Red Rooster. 40dB boost, 15dB treble boost at 4kHz.

Rangemaster-into-Laney setup capturing the foundation of doom metal tone.

R.J. Ronquillo signature 3-in-1: silicon treble boost, Herculean V2 overdrive, PT2399 slapback echo.

Handwired Dallas Rangemaster replica. Hand-picked germanium transistor. Twenty units worldwide.

Six-mode germanium fuzz and booster channeling every legendary British fuzz circuit.

Treble booster in Rangemaster style. Designed for pushing amps into overdrive.

Zonk Machine MKII + Rangemaster treble boost (Marc Bolan s Shatterbox) with Big/Bigger voicing toggle.

PlexiTone circuit paired with Dallas Rangemaster-style treble booster in one enclosure.