Cesar Diaz Texas Ranger clone. Rangemaster-based treble boost with 3-way voicing: glass, fat, or growl.

Rangemaster-style germanium treble booster with classic British voicing.

Rangemaster-style treble boost with Custom Shop refinement.

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

Rangemaster-inspired treble booster with Heat, Boost, and Range controls for extended flexibility.

Multidriver spanning treble boost to crunchy distortion to fuzzy sustain—all-in-one gain shaping with 9V DC.

1176-style compressor with Rangemaster boost, 3-band EQ, and 23V internal headroom.

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

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

Micro Amp with added treble boost option for additional presence.

Three-mode clean boost with full-range, treble, or bass voicing via a simple switch.

Versatile OD1-based overdrive functioning as clean boost, treble booster, or standalone drive.

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

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

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

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

Silicon Rangemaster treble boost with sweepable frequency range control.

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

Dual Fuzz Face (Ge/Si selectable) plus Rangemaster with A/B preset switching. NOS transistors throughout.

Analog Vox AC-30 Top Boost preamp with a TRIAD transformer, integrated Rangemaster-style treble boost.

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

Limited-run germanium multi-fuzz with military-spec OC44 transistors for richer lows.

Sunface fuzz meets Beano Boost treble booster. Tri-germanium circuit, two true-bypass sides.

NOS Soviet germanium treble booster with pickup simulator, bias control, and 3-way range switch.