Gallien-Krueger MB 800 Gebruikershandleiding - Pagina 5
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MB 800
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 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 will produce more 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. Various sample settings can also be found on page 8.
*The Limiter is active upon power up ( Master is lit blue) and is recommended for high volume
applications.
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