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Sound Devices

MM-1 Battery-powered Microphone Preamplifier with Headphone Monitoring

MM-1

Mic preamp with a powerful headphone monitoring function

631.75 ex vat 758.10 inc vat

QTY

Estimated delivery 2 - 3 days from confirmed Shipping Date

Sound Devices MM-1

Battery-powered microphone preamplifier with headphone monitoring. 48 V phantom and T-power, limiter, high-pass filter. 2-AA or external DC powered.

The MM-1: High Quality Mic Preamp with Headphone Monitor
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.

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 5-17 VDC.

 

 

 

 

Gain
  • (Mic - Line): 0 dB to 66 dB input to output, switch selectable
Analog Input
  • Frequency Response
    • (Mic - Line) 20 Hz –20 kHz, +0.1, -0.5 dB, -1 dB at 50 kHz (relative to 1 kHz level with 150 ohm source)
  • Equivalent Input Noise
    • (Mic) -126 dBu (-128 dBV) maximum (150 ohm source, flat weighting, 22 Hz – 22 kHz bandwidth gain setting 36 dB or greater)
  • Dynamic Range
    • (Mic to Line) 122 dB minimum at the +18 dB gain setting
  • THD + Noise
    • 0.05% maximum (from 50 Hz – 22 kHz @ +4 dBu output level, 22 Hz – 22 kHz filter bandwidth, +46 dB gain setting
  • Gain Accuracy
    • (Mic - Line) +0.6, -0.1 dB with reference to front panel gain markings (150 ohm source, 100 k load impedances)
  • Input Clipping Level
    • (Mic) +4 dBu minimum at the 0 or +18 dB gain setting
  • Common Mode Rejection Ratio
    • 100 dB minimum at 80 Hz60 dB minimum at 10 kHz
Output Clipping Level
  • (Line) +22 dBu minimum with 100k ohm load+20 dBu minimum with 600 ohm load
Weight
  • 0.7 kg (1.1 lbs)
Dimensions
  • 49 mm x 95 mm x 166 mm, 1.95" x 3.75" x 6.55" (h x w x d)

 

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