Bogen LMM1S User Manual

Bogen’s advanced plug-in modules provide a wide range of functions to support a variety of applications.

These modules support different signal-source requirements, including the ability to interface to balanced and 
unbalanced high- and low-level inputs, stereo or mono, telco systems, and microphones.

Stereo, balanced input module
• Stereo, high-impedance, balanced inputs
• Professional-quality, low noise performance
• Selectable gain of 0 or 

18 dB

• Mutable by higher priority modules
• Variable ducking level when muted
• Fade back from mute
• Screw terminal connections

Daisy chain multiple amplifiers input module
• Gain/Trim control
• Input signal available at buffered output
• Mute send & receive
• Variable ducking level when muted
• Fade back from mute
• 4 Priority levels
• Buffered output not mutable
• Bus assignable
• RCA input and output connectors

LINE/MIC level input modules
• Gain control
• Bass & Treble controls
• Actively-balanced  input
• LINE/MIC Attenuator switch
• Gating w/Threshold & Duration
• 24V Phantom power supply
• 4 Priority levels
• Bus assignable
• Built-in limiter w/ LED (LMR

1S)

• Remote control volume option (LMR

1S)

• Single-gang remote control panel

included (LMR

1S)

• Remote distance up to 2,000 Ft. (LMR

1S)

• Screw terminal connectors

©2005 Bogen Communications, Inc.
54-5093-0

1D    0707

Specifications subject to change without notice.

Transformer-balanced, low-impedance microphone
input modules
• Gain/Trim control
• Bass & Treble controls
• Noise gate w/Threshold & Duration
• Limiter w/Threshold control
• Limiter activity LED
• 24V Phantom power
• Mute send & receive
• 4 Priority levels
• Bus assignable
• Balanced, transformer-isolated
• Screw terminal (MIC

1S); XLR connector

(MIC

1X) models

Electronic-balanced, low-impedance microphone
input modules
• Gain/Trim control
• High Cut/Low Cut controls
• Voice Enhancement control
• Noise gate w/Threshold control
• Limiter w/Threshold control
• 24V Phantom power
• Mute send & receive
• 4 Priority levels
• Bus assignable
• Electronically balanced
• Screw terminal (MIC2S); XLR connector

(MIC2X) models

Unbalanced input modules
• Gain/Trim control
• Bass & Treble controls
• Gating w/Threshold & Duration
• Mute send & receive
• Variable ducking level when muted/gated
• Fade back from mute/gate
• 4 Priority levels
• Bus assignable
• Stereo to mono summing option (SAX

1R)

• RCA connectors

Transformer-balanced AUX input module
• Transformer-isolated line-level input
• Gain/Trim control
• Bass & Treble controls
• Gating w/Threshold & Duration
• Mute send & receive
• Variable ducking level when muted/gated
• Fade back from mute/gate
• 4 Priority levels
• Bus assignable
• Pluggable screw terminal connections

Telephone interface input module
• Loop start or ground start trunk interfacing

(requires external power supply)

• Dry loop interface to paging ports
• Audio-activated paging in dry loop
• Gain/Trim control
• Limiter
• Noise gate w/Threshold & Duration
• Mute send & receive
• 4 Priority levels
• Bus assignable
• Transformer-isolated
• Screw terminal connections

Multiple tone generator input module
• Select 4 of 8 tones to trigger
• 5

12 Hz Burst/steady, slow whoop, siren,

mechanical bell, Klaxon, night ringer, double
chime, & doorbell tones

• Momentary & continuous playback modes
• Screw terminal trigger connections
• Level control
• Microprocessor-controlled operation
• Mute send & receive
• 4 Priority levels