Headphone Monitoring - Sound Devices MM-1 User Manual And Technical Manual

High Performance Microphone Preamplifier
Maximum of 66 dB of gain, in eleven discrete steps for accurate,
repeatable gain settings.
Dynamic range exceeding 120 dB
10 Hz to 50 kHz audio bandwidth.
High immunity to RF interference due to transformers, RF filtering,
and all-metal construction
High current line output driver capable of driving very long cable
runs.
Premium Lundahl input transformer with superior sonic quality
and freedom from interference problems.
Extended range peak limiter via dual opto-isolators makes pream-
plifier virtually "unclippable".
Selectable 48-volt / 12-volt phantom power or 12-volt T-power for
condenser microphones.
High-pass filter with two selectable corner frequencies, 80 and
160 Hz, 6 dB per octave.

Headphone Monitoring

Headphone monitoring of microphone audio, external monitor
audio, or a mix of both.
Monitor input accepts balanced or unbalanced mono line-level
inputs on 1/4-inch tip-ring-sleeve connector.
Separate level control of Monitor gain and overall headphone gain.
Split ear function via DIP switches.
Portable
Internal battery power (two-AA) for convenient, low cost power.
Excellent battery life with alkaline or lithium primary cells.
External 5-17 VDC powering (plug included).
Durable Mechanical Construction
High strength aluminum chassis withstands punishing field condi-
tions.
Panel-mounted connectors for strength and reliability.
Easy access battery compartment for quick battery changes.
Durable belt clip and end panels.
Features
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