True Tube Booster/Overdrive TBO9

The TBO9 combines true tube boost and overdrive functionality using an actual vacuum tube. The genuine tube provides authentic tube character in both clean boost and overdrive modes.

Boost and overdrive functions from a real tube circuit, not solid-state simulation. Switch between clean tube boost and tube overdrive, or combine for cascading tube gain stages.

Real tube versatility in both boost and drive modes. The TBO9 provides authentic tube character across different applications from clean enhancement to saturated overdrive.

True bypass switching. Standard 9V power plus heater voltage. For genuine tube boost and overdrive.