Gallien-Krueger MB 800 Gebruikershandleiding - Pagina 5
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Quick Start
The MB 800 amplifier is designed to be simple to
operate. All controls have a well defined purpose.
These directions will take you through the basics
and give you a good start for setting up your
sound.
1. Plug it in: 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 4 for details).
2. Connect your cabinets: Connect your speaker
cabinets to the amplifier outputs marked
SPEAKER using a standard two conductor
speakon cable or Gallien-Krueger four conductor
speaker cable. Be sure not to exceed the
recommended speaker load as noted below.
Maximum Recommended Speaker Loads:
One 4 Ohm, or two 8 Ohm cabinets.
3. Initial front panel control settings: Set all
EQ controls and contour knob to 12 o'clock. Set
the Gain A, Gain B, Level B and Master control
to the full counterclockwise position. Upon
power up, the Gain A control is the default input
gain adjustment and should be lit blue. If the
Gain A knob is not lit, push it until a slight click
is felt and the knob indicator is lit blue.
4. Plug in your bass: Using an instrument
(shielded) cable, connect your bass to the Input
jack and press the power switch to the on (in)
position. If you have active tone controls on your
bass, turn all of the controls to the middle or flat
position and turn the volume all the way up. If
you have conventional, passive tone controls,
turn all tone and volume controls all the way up.
5. Level and Master Volume settings: Set the
Master control to 12 o'clock. Turn the Gain A
knob up as you play until the desired output
volume is reached. If the input clip indicator (the
ring surrounding the -10 pad switch) flashes
more than occasionally or distortion is audible,
set the -10dB pad switch to the up position and
increase the Gain A level until the desired output
volume is reached. If the clip indicator continues
to light often, it may be necessary to decrease the
volume on your instrument.
*For high volume applications, it may be
necessary to increase the Master control beyond
MB 800
the 12 o'clock setting.
6. Gain B/Level B: Pushing the Gain B knob
(also selectable from the provided footswitch)
activates the Gain B input and Level B controls.
Once activated (indicated by the Gain B and
Level B knob lit blue), bring the Level B control
to the 12 o'clock position and increase the Gain B
level until the desired volume is heard. Higher
Gain
B
settings
overdriven/distorted tones while lower settings
will maintain a clearer, less overdriven tone.
When used in conjunction with the Level B
control, the desired overdrive and output volume
can be set relative to the Gain A level. You should
be hearing your bass quite well through both the
Gain A and Gain B channels. At this point you
can experiment with different EQ and Contour
settings. A sample setting can also be found on
page 7.
*The Limiter is active upon power up (Master is
lit blue) and is recommended for high volume
applications.
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