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Gallien-Krueger Backline 115 Manual do Proprietário

Quick Start

Your Backline Series unit is designed to be simple to

operate. All controls have a well defined purpose and are

well behaved. These directions will take you through the

basics and give you a good start for setting up your sound.

Set the power switch to Off and connect the supplied power

cord from the amplifier AC receptacle to an AC power

outlet of proper voltage and power rating (see safety

information on page 5 for details).

2. (Head Only)

Connect your speaker cabinet to the amplifier output

marked 125W. Be sure not to exceed the recommended

speaker load listed below.

Maximum Recommended Speaker Load:

One 8 Ohm cabinet.

If you are using an RBH series cabinet, set the crossover

switch to full range.

Set all EQ controls and the Boost control to 12 o'clock.

The Voicing Filter should be turned all the way down (or

switched off) to get a flat response. Set the Gain, Level-A,

Level-B and Master Volumes at 0. Set the A/B switch to off

(Channel A).

Using an instrument cable, connect your bass to the Input

jack and turn the power switch on, set the master control

to 3 o'clock, slowly bring the Level-A volume up and play.

If the clip LED flashes excessively (115 & 250BL), push

the button marked - - - - - 10db in. If distortion is heard on the

Backline 112 or 110, push the button marked - - - - - 10db in.

This will prevent you from overdriving the preamp.

Occasional clip light flashes while playing very hard is

okay. Do not turn the volume control in the input section

past 1 o'clock unless you want an overdrive effect. If you

have a bass with passive electronics make sure the

controls are all the way up. If you have a bass with active

electronics, turn all of the EQ controls on the bass to the

middle or flat position.

Backline Series

At This Point:

You should be hearing your bass quite well. You can use

the volume and Master to achieve a comfortable sound

level.

Now you are ready to check out the overdrive feature

(Channel-B). Push in the Level A/B button. The over-

drive LED should light. Set the Gain control to 9 o'clock

as a starting point. Slowly raise the Level-B volume to the

desired sound level. This will give a slightly distorted

sound. Raising the gain will add more distortion and

sustain. (See Sound Tips for more detail).

Characteristics of the Backline Series:

The Backline Series is a flexible, user-friendly state-of-the-

art bass series, designed to deliver maximum perfor-

mance. This is accomplished through these important

features:

Extremely high current power supply and

power amp circuitry, gets the sound

out of your head.

Four(250BL & 115), Three(112 &110)bass

specific bands of active equalization for

precise tone control.

An adjustable voicing filter (switched voicing

for 112 &110) for shaping and customizing

your sound.

Balanced direct output eliminates the need

for a direct box.

Bass specific overdrive channel for all

modern sounds.