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ACOUSTIC GUITAR SYSTEM
NOTCH FILTER is effectively off in the full counter-clockwise position.
VOLUME CONTROL
The VOLUME control affects both microphone and pickup. Goes from very quiet
to very LOUD.
BASS CONTROL
This is a boost/cut shelving tone control. This control affects the pickup signal
only. The center detent yields a flat response.
CONTOUR This is a wide-range semi-parametric filter. It may be used to
shape the instrument's tone or to control feedback (see pages 6 and 7). The
CONTOUR control affects both the pickup and microphone.
The CONTOUR Level slider controls the amount of boost or cut applied to the
selected Contour FREQUENCY. The center detent yields a flat response.
The Contour FREQUENCY slider determines the frequency band that is
boosted or cut by the CONTOUR Level control. The frequency is variable
between 250 Hz and 10 kHz.
TREBLE CONTROL
This is a boost/cut shelving tone control. This control affects the pickup signal
only. The center detent yields a flat response.
PHASE SWITCH
The PHASE switch compensates for acoustic phase differences that often occur
between instrument and speaker. It can be used as a tone filter at low volume
levels or a feedback filter at high levels. Whenever you play through a different
sound system or at a different venue, flip the PHASE switch several times and
use your ear to find the optimum setting.
BLEND CONTROL
This control determines the balance between microphone and pickup signals.
This control can be used as a feedback "escape hatch" if you ever need to
instantly shut off the microphone during a performance.
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