Features And Controls; Mixer Section - Tascam 688 Midistudio Owner's Manual

8-channel multirack casssette recorder 20 input mixing system and midi tape synchronizer
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Features and Controls
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1. MIC TRIM: This sets how much preamplificatlon level
there is on the XLR MIC INput only; it doesn't affect the
LINE or TAPE inputs. The MIC TRIM should be
set
high
enough to amplify the source above the noise floor of
the electronics. but not
80
high that it diatom the
sound of the mixer. When the MIC TRIM Is turned all
the way to the left. no gain is added to the aignal, and
it can be used as a LINE A jack. Ute this setting
whenever you have a high-level source (auch aa a
synthesizer) connected to the top MICIlINE A jack.
When the MIC TRIM Is turned full clockwise the signal
at the MIC jack will be amplified 40 dB, which is
needed by low-level microphone sources.
You can
determine the proper MIC TRIM level for your
application with the help of the OL indicator.
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2. OL (Overload) Indicator: This indicator will light if the
signal traveling through the Main channel is too loud.
Lower the MIC TRIM or output control of the
instrument until the OL indicator blinks faintly only on
the loudest. peaks, if at all.
3. EQualizer:
The three-band with midrange sweep
equalizer allows you to adjust the tonality of the aignal
going through the MAIN channel only. It gets Its signal
from tha MAIN INPUT switch, and sends It to the MAIN
CHANNEL fader via the INSERT jack. HIGH Is a treble
shelving-type control with
8
hinge point of 10 kHz,
which can affect signals from 20 kHz down to 5 khz.
The MID section Is a peak-and-dip sweep type, with
two controls: the SWEEP control allows you to select
the specific frequency range you want to affect
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