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VOX-VTB-1

Vox VTB-1 Treble Booster Pedal w/Fat Switch


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Based on the iconic RangeMaster pedal, we created a new circuit that recreates the distinct characteristic of a germanium transistor, but with a single silicon transistor. This design provides a smooth transition into distortion and a broad usable range before full breakup just like the vintage originals, giving the connected amplifier added gain, warmth, and musical overtones.

To achieve chimey clean tones simply by lowering the guitar’s volume while still drawing out expressive overdrive, we precisely tuned the bias voltage to the transistor’s narrow silicon “sweet spot.” Vox's proprietary bias circuit makes this possible, delivering a balanced and dynamic tone reminiscent of classic 60s boosters. Combined with the BC108 can-type silicon transistor and modern thin-film resistors, the circuit offers excellent stability and significantly lower noise compared to vintage components.

Finally, the addition of a FAT switch enables a full-range boost that pairs exceptionally well with modern systems that rely on multiple devices for tone shaping. The Vox Treble Booster is a pedal designed to tame unwanted low frequencies while driving a tube amp to bring out its full character and achieve richer, more expressive overdrive. Legendary AC30 players almost invariably paired their amps with a treble booster, making it a hallmark of the classic setup.

Features

  • Faithfully recreated vintage Treble Booster voice
  • Unique Silicon design that authentically emulates Germanium’s nonlinear behaviour
  • Single-transistor gain stage for traditional clarity and touch response
  • Precisely targeted biasing for an expanded sweet spot and exceptional volume-knob cleanup
  • Hand-selected Silver Can BC108 transistor
  • Fat Switch to expand the boosted frequency range
  • Exceptionally low-noise performance in a compact, rugged vintage-style enclosure

Specs

  • Output impedance: 1 kΩ
  • Connection jacks: INPUT jack (6.3 mm monaural phone jack),
  • OUTPUT jack (6.3 mm monaural phone jack), DC9V jack
  • Power supply: 9 V battery (6LF22/6LR61/6F22) or AC adapter (9 V, , 600 mA or greater, sold separately)
  • Battery life: approximately 270 hours (9 V alkaline battery, continuous use; varies depending on the conditions of use)
  • Current consumption: 1.8 mA (9 V DC)
  • Power consumption: 16 mW (no-load power consumption: 6.3 mW at 230 V)
  • Dimensions (W/D/H): 74 / 123 / 58 mm / 2.91˝ / 4.84˝ / 2.28˝ (including protruding parts)
  • Weight: 404 g / 14.25 oz (excluding battery)
  • Included items: Owner’s Manual, rubber feet