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Maxon TBO9 True Tube Booster/Overdrive Guitar Effect Pedal

SKU 20MAX028
by Maxon
Sold out
Original price $ 289.00 - Original price $ 289.00
Original price
$ 289.00
$ 289.00 - $ 289.00
Current price $ 289.00
  • Clean Booster/Overdrive pedal with Tube gain stage
  • Employs mil-spec sub-miniature vacuum tube
  • Great as a tube amp booster to add warmth
  • Boost knob controls level of tube gain
  • Dual-purpose Drive control with clean blend function
  • Internal voltage regulator runs 30 Volts to tube
  • Heater In-rush current control warms tube upon power-up
  • True Bypass Switching

The TBO-9 combines Clean Boost and Overdrive capabilities with a tube gain stage to create a versatile tone-shaping tool.

The ideal complement to non-master volume tube amps, the TBO allows you to drive a clean or semi-clean amp to the breaking point, giving it that “on 10” tonality at a much lower volume level and without altering the amp’s signature tone.

The TBO-9’s tube stage is controlled by the Boost knob which adds a fat, warm bottom end with a slight mid bump as it increases the output level.

The Drive knob blends clean and distorted signals, allowing the user to dial in a small amount of grit with minimal coloration.

The TBO-9 features internal voltage doublers that bump the incoming 9 VDC up to 30 VDC for massive headroom and maximum transparency.  

When you need to drive your amp without driving the audience towards the door, the TBO-9 does the job without commanding the center stage.