World’s smallest tube-based Booster Overdrive in a 9-series enclosure. (Jan. 2008 Maxon research)
Employs subminiature tube with US Military specification.

Provides comfortable and powerful tube sound which is very difficult to create
with a digital processing simulator.
Wide range of tube sound is available without spoiling the sound character of your guitar and amplifier.

9V from AC adaptor is bumped up to 30V by the internal regulator and provided to tube circuit and
overdrive circuit. Stable high quality sound is constantly available with increased dynamic headroom.
Unintentional signal Distortion is greatly reduced.

TBS (True Bypass Switching) using 4PDT mechanical switch lets your instrument's signal pass
through a non-electronic bypass line when the effect is disengaged, feeding your amplifier with direct,
unaltered signal from your instrument.

Employs tube heater inrush current control circuit to extend tube’s life.

AC adaptor AC2009 can be used worldwide from 100VAC to 240VAC by auto voltage sensing.
Main countries' safety standard approved. Useful for worldwide touring musicians.

MADE IN JAPAN

※Note: TOD9 cannot operate with battery. Please use the AC adaptor provided with the product.