Sound Devices MM-1 Line Driver / HP Monitor
The Ultimate Portable Mixer for Production, ENG, and Film
Highly versatile and portable, Sound Devices' MM-1 is a single-channel, portable microphone preamplifier with a powerful headphone monitoring function. Proven in mission-critical applications, the high-performance microphone preamplifier uses a transformer-balanced input and output with a bipolar ±15 volt power supply to produce low-noise, low-distortion gain at all switch positions. It features an "unclippable" dual-stage limiter and two-position high-pass filter. Flexible microphone powering provides phantom power at 48 volts or 12 volts and 12-volt T-power. It is powered from two-AA batteries or external 5-18 VDC.
The MM-1 is at home in high-definition television production, corporate/industrial environments, radio/television announce booths, and music production. Its headphone monitor is an advantage in applications where communications channels or mix-minus feeds need to be monitored in headphones. The user can monitor both microphone audio and external audio sources in headphones with level control.
The MM-1 is designed to be durable. Its aluminum chassis, oversized end panels, machined knobs, and panel mounted connectors assure reliable mechanical operation.
Key Features
* Maximum of 66 dB of gain, in eleven discrete steps
* Dynamic range exceeding 120 dB
* 10 Hz to 50 kHz audio bandwidth
* High immunity to RF interference
* High current line output driver
* Transformer-balanced input and output
* Extended range peak limiter via dual opto-isolators makes preamplifier virtually "unclippable"
* Selectable 48-volt / 12-volt phantom power or 12-volt “T" power
* High-pass filter @ 80 or 160 Hz, 6 dB per octave
* Headphone monitoring of microphone audio, monitor audio, or a mix of both
* Monitor input accepts mono, balanced or unbalanced 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
* Internal battery power (two-AA)
* Excellent battery life with alkaline and NiMH rechargeable batteries
* External 5-17 VDC powering (plug included)
* High-strength aluminum chassis with durable belt clip
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