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Sound Tips

The Backline Series has several unique features which, if

used properly, will obtain that sound you have been

searching for.

The Equalizer:

The Equalizer is used to fine tune your sound. When

adjusting it, do it a little at a time. These are active

circuits, and small changes can make a big difference in

your sound. With a little experimentation you will find

that this equalizer is very easy to use, never sounds weird

and provides you with a large variety of great sounds,

unique to GK.

Contour:

Increasing the Contour level will scoop out mid-range

frequencies while boosting the highs and lows. The

sound, once again, is unique to GK and unavailable on

any other Bass amp. Lower contour settings are recom-

mended for midrange clarity at higher playing levels. For

800RB voicing, set the contour knob either

on 0 or 10 .

Overdrive:

The Overdrive channel allows you to create entirely new

bass sounds. Modern bass players are just beginning to

experiment with distortion and now you can too. Turning

the gain control within its range will give you everything

from a funky blues sound all the way to full saturation

and sustain.

Boost/Master:

Turning up the Boost control, will add a little growl to

your tone. This is an unmistakable GK trademark sound,

that you will grow to appreciate. Raising the Boost while

lowering the Master will add more growl while keeping the

sound level the same. Growl is actually a small amount

of even order harmonic distortion, that sounds great

through a woofer. For most playing situations, the Master

is set between 12 & 3 o'clock. The cleanest sound is

obtained by setting the Master at 12 o'clock, and going

above 3 o'clock for maximum power situations.

Backline Series

Direct Out:

The Backline Series provides a low noise, high quality

balanced direct out for connection to PA and recording

consoles. With the Pre/Post EQ switch set to "Pre"

(Out), the direct output signal is fed directly from our

low noise, high headroom, FET input stage providing a

low noise output superior to external direct boxes and

impedance transformers. The Direct Output signal is

only effected by the -10dB Pad, and Tuning Mute

controls. This allows you to adjust your tone and

volume on stage without changing the Direct Out signal

level and confusing your sound man.

Changing the Pre/Post EQ switch to "Post" (In), sends

the "GK sound" and preamp response to the Direct Out

jack. This gives you complete control over the Direct

Out's tone and volume. In addition, a Ground (Gnd)

Lift switch is included to remove hum and buzz when

connecting to equipment powered by a different ground

system.