Supreme Drive

One pedal at a time, the Juma Supreme Drive is slowly becoming known as one of the most incredible sounding overdrive units available on the market today, as well as the absolute best sounding clean boost ever built.  It has also slowly been proving itself as one of the most capable, “always on” core-tone pedals available for many guitar players.  It provides guitarists with the most organic and detailed overdrive tones imaginable.  The circuit is simple and clean and the quality of the electronic components is world-class.

At the heart of the Supreme Drive are some of the best audio-quality components available in the world today, allowing your guitar’s complex harmonic and dynamic details flow through to your amplifier as preserved as possible.


  • Extra heavy-duty, 5-axis CNC machined aerospace-grade aluminum enclosure for maximum strength and electromagnetic shielding
  • Burson Audio Supreme Sound discrete dual op amp
  • Premium USA hand-made Jupiter copper-foil/beeswax capacitors
  • Premium USA made Vishay Z-Foil and Vishay Dale resistors
  • Low ESR, long-life Panasonic FM Series electrolytic capacitors
  • 100,000 turn, long-life potentiometers
  • Mammoth Electronics premium “PRO” footswitch
  • Premium USA made solid aluminum knobs
  • 99.9999% ultra-pure, oxygen-free copper hookup wire
  • Lead-free, silver-bearing solder
  • RoHS compliant

Specifications and Downloads

Dimensions (Packaged): 165mm(L) x 130mm(W) x 70mm(H)  / 6.5″(L) x 5.1″(W) x 2.8″(H)
Dimensions (Unit): 152mm(L) x 114mm(W) x 59mm(H)  / 6.0″(L) x 4.5″(W) x 2.3″(H)
Weight (Packaged): 864g / 1.9lbs
Weight (Unit): 744g / 1.64 lbs
Power Supply (Adapter): 9VDC to 18VDC regulated, center-pin negative
Power Supply (Battery): 9VDC
Recommended Battery Replacement: @7VDC
Current Consumption @9VDC: 18mA
Owner’s Manual: Supreme Drive – Manual.pdf