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the KB-150 and channel 3 on the KB-75.)
Main/Monitor (7)
This affects what signal is sent to the headphones. When in the OUT position‚ only the signal
from channel 5 is sent to the headphones. Great when you need to hear a click track or midi/pre-
recorded track. When engaged (IN position)‚ the headphones are sent signals from all channels.
Keep in mind‚ this signal is never sent to the Main XLR outs.
CH5/Monitor Level (8)
Controls the input level for channel 5. Controls high-impedance microphones or other high-level
sources equipped with a 1/4" phone plug.
Headphone Level (9)
This sets the level to the headphone jack on the rear panel. To avoid damage to your hearing‚
make sure to turn the dial fully counter-clockwise before using headphones. Slowly turn the knob
clockwise until a comfortable listening level is set. This does not affect the master level.
Master Level (10)
This knob sets the overall level for the unit. Make sure the Master level is completely down (full
counterclockwise) before powering up the unit. This does not affect the headphone level.
DDT™ Selector (11)
This switch controls our's exclusive DDT (Distortion Detection Technique) speaker protection.
With this switch in the OUT position‚ a unique circuit senses signal conditions that might
overload the amplifier and activates compression to reduce gain and avoid clipping. This technique
utilizes every watt available for the amplifier to reproduce the signal‚ yet minimizes clipping and
distortion which reduces the potential for speaker damage. Since this function is "invisible" at
levels below the clipping point‚ it is advised that it be activated at all times. Setting this switch
to the IN position defeats this protection feature‚ allowing potential power amp clipping and the
resultant increase in likelihood of speaker damage.
Power Switch (12)
This two-way rocker switch applies power to the unit when placed in the ON position.
KB-75 150.indd
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2009-6-24
16:42:22
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