Tascam GA-100CD User Manual download pdf (Page 15)

2 – Part names and functions

TASCAM GA-100CD 15

4 - Using the guitar amp

Choosing the channel

Guitar amp gain, equalization and output

The clean and overdrive channels have the same types

of control knobs.

Adjust the volume of each channel with its

GAIN and

VOLUME knobs. Use the MAIN MASTER VOLUME

knob to control the final volume output of the guitar

amp main speaker.

The

GAIN knob adjusts input gain, and the VOLUME

knob adjusts the channel output level. Raise the

gain to

increase distortion. Even a small amount of gain creates

distortion in the overdrive channel. Distortion does not

become audible in the clean channel until the gain is

raised significantly. With a single coil pickup guitar, for

example, distortion starts around 4.

Choose the overdrive channel to use distortion, and

adjust the

GAIN knob until you achieve the amount that

you desire.

Choose the clean channel and set the

GAIN knob low

for an undistorted sound.

Adjust the overall volume with the

VOLUME knob and

the

MAIN MASTER VOLUME knob. Adjusting these

knobs will not affect the tone quality.

Adjust the

BASS, MIDDLE and TREBLE knobs to alter

the tone quality (frequency characteristics) further.

NOTE

The MAIN MASTER VOLUME knob adjusts the

overall volume of the output signal sent to the

main speaker (12-inch). If an effect is used, it will be

output along with the guitar amp output.

The GA-100CD has independent clean and overdrive

channels. Use the

CLEAN/OVERDRIVE key to choose

the channel.

When the green light is ON, the

CLEAN section is

active and when the red light is ON the

OVERDRIVE

section is active .

You can also change the channel using a TASCAM

RC-30P or similar footswitch connected to the

GUITAR

CHANNEL footswitch jack on the rear panel.

Adjusting the volume and tone quality

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Tascam GA-100CD User Manual Page 15

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