Each MONO module has two selectable mono inputs which comes factory preset
for Mic (input A) and Line (input B) levels. Normally input A is selected but by
pressing B SEL button the alternative input is selected.
There is a preset gain adjustments for A input with multi-turn control on the rear
panel. The selected A or B source is fed through a common gain trim control
giving a further +/- 15 dB of gain adjustment on the front panel. A jumper is also
available inside the module to apply phantom power to microphone A input.
Mono modules can be fitted with an optional three band parametric equaliser
(ref. MONO-EQ), where the centre band can be swept from 300 Hz to 4.8 kHz.
The signal is routed via a Pan control and the two stereo routing switches to
either the main stereo programme (Master) or the stereo subgroup (Sub).
The PFL switch makes the pre-fade signal available for monitoring.
The Mono module is intended to be connected to Microphone either placed
in the Control Room or in the Studio. Several jumpers allow the user to to route
the TB accordingly to the microphone installation (TB will be set as „TB to Control
Room‟ when the announcer‟s microphone is in the studio and as „TB to Studio‟ for
use by the producer or the assistant in the Control Room).
A selective „muting‟ of Control Room or Studio speakers is also provided via
jumper settings. This option is for use with the mic input. When a microphone is
live to air, the monitor speakers in the room containing the microphone will need to
be muted so that there is no feedback.
So, for example, if the mic input is being used for a microphone in the studio, the
studio monitors should be muted.
The module provides also a jumper selectable output to facilitate two relay
closures for On-Air lamp switching on/off.
ALPS N-type 90° ultra smooth 100 mm sliders are provided on series. On
request, to notify at order, ALPS K/VCA series sliders can be also fitted, the last
ones controlling an internal high quality VCA circuitry.
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