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VOLUME

TREBLE

BASS

TWEED

CALIF

BRITISH

SPKR SIM

DC

OUTPUT

INPUT

CH OFF

DRIVE

LEVEL

TRI  

1

CH OFF

3

2

CH OFF

DRIVE

LEVEL

DRIVE

LEVEL

TM

PRODUCT OVERVIEW

This triple channel switching overdrive stomp box offers 

true 

channel switching

between three completely different tube amp characters,

“Tweed,” “California,”

and

“British.”

For greater flexibility and usefulness, each channel is independent with its

own 

Drive

and 

Level 

controls.Tech 21’s custom footswitch actuator provides a

smooth transition between channels for instantaneous switching.

The TRI-O.D. can be used for live performances with an amp/combo, or to drive a
power amp and guitar speaker cabinets.Turning off all 3 channels enables you to
use the 

Speaker Simulator

and 

Master Output Section

only.This feature is useful

when you want to record direct with a pre-amp, fuzz box, or any other stomp
boxes in your collection.

Manufacturer of the highly-acclaimed SansAmp

TM

line of Tube Amplifier Emulators,

Tech 21’s proprietary circuitry is engineered in the true tradition of tube ampli-
fiers in their 

totality

--with a pre-amp stage and an output stage. It incorporates

the harmonics and sweet overdrive characteristics uniquely inherent to tube
amplifiers.This is largely caused by what is referred to as “push-pull” symmetrical
clipping, which a single tube is physically incapable of accomplishing.

The TRI-O.D. employs aspects of this technology to deliver the same dynamics,
responsiveness, and sound quality of the top pro stage rigs in a conveniently
portable,

switchable

, pedal format.

WARNING:

DO NOT run the speaker output of 

any

amp directly into 

the TRI-O.D. Severe damage to the amp and/or the TRI-O.D.
may result.

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