Vertex Steel String Clean Drive Pedal




The Steel String faithfully recreates the tones and feel of the iconic Dumble Steel String Singer amp in stompbox format. An original Dumble can cost an arm and leg and so this is easily the most affordable way for you to achieve that tone without buying the amp.

It’ll take care of tones from overdrive to fat boost, compression, EQ shaping and more.

Here’s what Vertex say about the Steel String

The Steel String Clean Drive faithfully recreates the tonality and feel of the iconic Dumble Steel String Singer amplifier in a stompbox format. Designed alongside a real Steel String Singer (#001), this 100% analog tone tool will do it all from Overdrive, to Fat Boost, to Compression, to EQ shaping and more. Get the unmistakable Crystal-Clear Overdrive and Fat Clean Tones from albums like “Texas Flood”, “Venus Isle”, and “Continuum” through any clean amp platform.


  • Designed alongside the “Real Deal” Dumble Steel String Singer (SN 001)
  • Authentic D-style tone, touch-sensitivity, and warmth
  • True Bypass
  • Assembled in California
  • 9-18VDC center-negative power operation (adapter not included)



We handcraft boutique effects pedals for guitar and bass players that inspire musical artistry and creative innovation. STANDARDS OF EXCELLENCE We strive for perfection in every detail of our work. We are deeply commited to supporting our customers in creating innovative music and sounds. We are here to provide our customers with effects pedals that outperform all other equipment they have used and allow them to experience their tone at its fullest potential. We design and handcraft our pedals, one-at-a-time, in Northern California. We source all of our materials in the USA whenever possible, often teaming with innovative manufacturers to designed custom hardware and components to ensure exceptional quality and sound.


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