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Building upon the design of the Micro Tube OverDrive, Siegmund Guitars & Amplifiers has introduced the Micro Tube DoubleDrive, a tube preamp, built around two miniaturized preamp tubes. These special purpose tubes were developed by the military to operate smoothly under extreme conditions with maximum life span.

The audio properties of these tubes are presented in this triple/dual gain stage footswitchable preamp. A compact design, the Micro Tube DoubleDrive adds the natural & warm character associated with tubes to any signal. Possible applications include:

  • Volume Boost - Overdrive - Distortion for Guitar/Bass
  • Directly drive a poweramp
  • Add another preamp channel to your amp
  • Acoustic Guitar or Microphone preamp/equalizer
  • Tube Line Buffer
  • Plug directly into a mixer or recording device
  • Enhance any signal with real tube power


  • High Impedance Input
  • Low Impedance Outputs
  • Preamp and Poweramp Outputs
  • Super quiet custom transformer
  • DC filtered filament supply
  • Shock-mounted tubes
  • Tube life: 10000+ hours
  • 100% True Bypass
  • Heavy Duty chrome-plated steel construction
  • 100/120/220/240VAC (50/60Hz)
  • Handmade in USA
  • One year warranty

The Micro Tube DoubleDrive has a list price of $399.

Every unit is individually handmade and comes complete with manual, power supply and a one-year warranty.

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