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Vertex Ultraphonix OD

SKU: 210000003384
Vertex Effects

Discover this amazing guitar pedal from Vertex Effects! The Vertex Ultraphonix Overdrive is designed to recreate the overdrive produced by a Dumble™ Overdrive Special amplifier brought to saturation. Using a sample of four generations of Overdrive Special amplifiers from 1970-1990 for voice and pedal calibration, the Ultraphonix is more than capable of providing the Overdrive D*style to any clean amplifier platform.

Its many features include:

  • The ultimate D* style tone, note flowering and harmonic overtones
  • 100% analog circuits
  • True Bypass” mechanical switch
  • Designed and assembled in California
  • 9VDC central negative power operation (adapter not included)

At Vertex they seek perfection in every detail of their work. Its main goal is to provide effect pedals that outperform all other equipment you’ve used before and allow you to experience the tone to its fullest potential.

Technical Specifications

  • Overdrive
  • Based on 4 Dumble Overdrive amplifiers ranging from
  • 1970’s-1990’s
  • Dumbre style tone for excellence with harmonic overtones
  • 100% analog circuitry
  • Controls: Volume, Filter, Gain
  • LED: On/Off
  • Effect Bypass Switch
  • True Bypass
  • Jacks: Input/Output (6.3mm)
  • Power supply: 9VDC with negative pole inside (adapter not included)


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