Block diagram front panel controls and connectors – Sound Devices MM-1 User Manual
Page 4
MM-1 User Guide and Technical Information
4
Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
Block Diagram
Front Panel Controls and Connectors
1
6
7
2
3
4
5
8
9
1)
Preamp Gain Switch (Rotary)
Selects the amount of gain from input to
output, adjustable in 11 increments.
2)
High-Pass Filter Switch
Three-position switch inserts an 80 Hz
or 160 Hz corner frequency filter, 6 dB
per octave. Off position removes the
filter from the signal path.
3)
Limiter Switch
Activates the peak limiter. Limits to +17
dBu output.
4)
Limiter/Peak LED
Bi-color LED illuminates red at 3 dB
below clipping; illuminates amber to
indicate limiter activity.
5)
Monitor In Gain
Controls the level of Monitor Input
signal.
6)
Phones Gain
Controls the overall headphone monitor
level of both preamp audio and monitor
audio.
7)
Headphone Connector
1/4-inch TRS mono headphone output;
microphone audio and/or monitor
audio in headphones.
8)
Power LED
Bi-color LED illuminates green when
the unit is powered and changes to
red when approximately four hours of
battery life remain.
9)
Power Switch
Selects the power source for the unit,
either Internal (battery) or External
power.