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楽器アンプ Gallien-Krueger 400RB-IIIのPDF オーナーズマニュアルをオンラインで閲覧またはダウンロードできます。Gallien-Krueger 400RB-III 16 ページ。 High-current bass amplifier

The 400RB Series 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 cable from the amplifier AC receptacle to an AC

power outlet of proper voltage and power rating (see

safety information on page 7 for details).

Connect your speaker cabinets to the amplifier

outputs marked 240W. Be sure not to exceed the

recommended speaker load listed below.

One 4 Ohm, or two 8 Ohm cabinets.

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 Filters should be turned all the

way down to get a flat response. Set the Volume and

Master Volumes at 0. If you have a five string bass,

push the button marked String Bass in.

Using an instrument cable, connect your bass to the

Input jack and turn the power switch on and play. If

the clip LED flashes, push the button marked

in. This will prevent you from overdriving the preamp.

Set the master control to 12 o'clock and slowly bring

the Master volume up. Do not turn the Volume

control in the input section past 12 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.

You should be hearing your bass quite well. You can

use the Volume and Master to achieve a comfortable

sound level.

turn up the Master control first.

If you need more volume,