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Gallien-Krueger Backline Series sheet Руководство пользователя

Quick Start

Your Backline 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. (Backline 350/250/600 Only)

Connect your speaker cabinet to the amplifier output

marked 175W/125W/300W. Be sure not to go below the

recommended speaker load listed below. Take note also

that the speaker cabinets power capacity must be equal or

higher than the ouput power of the unit.

Minimum Recommended Speaker Load:

One 4 0hm or two 8 ohm cabinets or One 8 ohm cabinet

for Backline 350

Backline 350

Backline 350 and Backline 600.

Backline 350

Backline 600.

For Backline 250

Backline 250

Backline 250 minimum load impedance is 8 Ohm,

Backline 250

that will translate to one 8 Ohm cabinet or two 16 Ohm

cabinet.

If you are using a GK RBH/SBX

GK RBH/SBX

GK RBH/SBX series cabinet, set the

GK RBH/SBX

crossover switch to full range.

For Backline 115

Backline 115

Backline 115 and Backline 210

Backline 115

Backline 210, The minimum

Backline 210

Backline 115

Backline 210

load impedance is 4 ohms. With the internal cabinet

connected, the minimum impedance of an external

speaker cabinet that can be connected is 8 ohms

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

The Voicing Filter should be turned all the way down 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, push the button marked

- - - - - 10db in. Occasional clip light flashes while playing very

hard, is normal and should not raise any concern . Do

Backline Series

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 that the controls

on the bass guitar are all the way up. If you have a bass

with active electronics, set all controls on the bass to the

middle or flat position.

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:

The Backline Series are 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 bass specific bands of active equalization

for Precise tone control.

An adjustable voicing filter for shaping and

customizing your sound.

Balanced direct output eliminates the need for

a direct box.

Bass specific overdrive channel for all

modern sounds.