Bogen MIC1X User Manual
THRESH
MIC1X
Microphone Input
Module
Features
• Transformer-balanced
• Gain/Trim control
• Bass and treble
• Gating
• Gating threshold and duration adjustments
• Variable Threshold Limiter
• Limiter Activity LED
• 4 levels of available priority
• Can be muted from higher priority modules
• Can mute lower priority modules
© 2001 Bogen Communications, Inc.
54-2052-01C 0701
Specifications subject to change without notice.
MIC1X
DUR
TREBLIMIT
G
A
T
E
GAIN
BASS
MIC IN
G
1
2
3
Gain
Provides control over the level of input signal that can be applied to the
internal signal buses of the main unit. Allows a way to balance the input levels of various devices so that the main unit controls can be set to relatively uniform or optimum levels.
Bass & Treble (Treb)
Provides separate controls for Bass and Treble cut and boost.The Bass control
affects frequencies below 100 Hz and Treble affects frequencies above 8 kHz.
Clockwise rotation provides boost, counterclockwise rotation provides cut.
Center position provides no affect.
Gate - Threshold (Thresh)
Controls the minimum necessary input signal level to turn the module’s output on and apply signal to the main unit's buses. Clockwise rotation increases the necessary signal level required to produce output and mute lower
priority modules.
Gate - Duration (Dur)
Controls the amount of time the output and mute signal of the module
remains applied to the main unit’s buses after the input signal falls below the
required minimum signal level (set by the threshold control).
Limiter (Limit)
Sets the signal level threshold at which the module will begin to limit the
level of its output signal. Clockwise rotation will allow more output signal
before limiting, counterclockwise rotation will allow less.The limiter monitors the module’s output signal level,so increasing Gain will affect when limiting takes place.An LED indicates when the Limiter is active.
Connections
Uses standard female XLR to make connections to the module’s input. The
input is low-impedance, transformer-balanced for excellent noise and ground
loop immunity.
Jumper Selections
Priority Level
*
This module can respond to 4 different levels of priority.
Priority 1 is the highest priority. It mutes modules with
lower priorities and is never muted. Priority 2 can be muted
by Priority 1 modules and mutes modules set for 3 or 4.
Priority 3 is muted by either Priority 1 or 2 modules and
mutes Priority 4 modules. Priority 4 modules are muted by
all higher priority modules.
* The number of priority levels available is determined by
the amplifier the modules are used in.
Bus Assignment
This module can be set to operate so that the MIC signal can be sent
to the main unit’s A bus, B bus, or both buses.
Phantom Power
24V phantom power can be supplied to condenser microphones
when jumper is set to ON position. Leave OFF for dynamic mics.
Module Installation
1. Turn off all power to the unit.
2. Make all necessary jumper selections.
3. Position module in front of desired module bay
opening, making sure that the module is rightside up.
4. Slide module on to card guide rails. Make sure
that both the top and bottom guides are
engaged.
5. Push the module in to the bay until the faceplate
contacts the unit’s chassis.
6. Use the two screws included to secure the module to the unit.
WARNING:
Turn off power to unit and make all jumper
selections before installing module in unit.
Gating
Gating (turning off) of the modules output when insufficient audio is present at the input can be disabled.
Detection of audio for the purpose of muting lower priority modules is always active regardless of jumper setting.
GATIN G
Enabled
Disabled
PRIORITY LEVEL
J5
Bus
A
4
(Lowest)
J6 J7 J8
BUS
B
J5 J5
Mono
Both
1
(Highest)
J6 J7 J8
J4
J4
J4
PHANTOM
2
J6 J7 J8
J6 J7 J8
POWER
On
J2
Off
J2
J2
3
J6 J7 J8
ASSIGNMEN T
J5
THRESH
GAIN
MIC1X
DUR
TREBLIMIT
BASS
MIC IN
G
A
T
E
G
1
2
3
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