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MM-1 Sound Devices MM-1 Microphone Preamps">
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Sound Devices MM-1
Line Driver / HP Monitor
The portable MM-1
combines two essential production functions — microphone
preamplification and headphone monitoring — in one compact product.
The MM-1 is a no-compromise, studio-quality microphone preamplifier
with phantom power, high-pass filter, and built-in limiter. With its
monitoring function providing fold-back of preamp audio and external
monitor audio, the MM-1 is at home in the most complex broadcast
remotes, theatrical productions, and intercom setups.
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C931-TA-XL-2 |
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| TA3-F to XLR-M 15"
Adapter Cable |
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Key Features |
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Maximum of 66 dB
of gain, in eleven discrete steps
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Dynamic range
exceeding 120 dB
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10 Hz to 50 kHz
audio bandwidth
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High immunity to
RF interference
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High current line
output driver
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Transformer-balanced input and output
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Extended range
peak limiter via dual opto-isolators makes preamplifier
virtually "unclippable"
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Selectable
48-volt / 12-volt phantom power or 12-volt “T" power
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High-pass filter
@ 80 or 160 Hz, 6 dB per octave
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Headphone
monitoring of microphone audio, monitor audio, or a mix of both
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Monitor input
accepts mono, balanced or unbalanced line-level inputs on
1/4-inch tip-ring-sleeve connector
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Separate level
control of Monitor gain and overall headphone gain
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Split ear
function via DIP switches
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Internal battery
power (two-AA)
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Excellent battery
life with alkaline and NiMH rechargeable batteries
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External 5-17 VDC
powering (plug included)
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High-strength
aluminum chassis with durable belt clip
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Specifications |
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Gain: |
(Mic - Line): 0 dB to 66 dB input to
output, switch selectable |
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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) |
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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) |
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Dynamic Range: |
(Mic to Line) 122 dB minimum at the +18 dB
gain setting |
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THD + Noise: |
0.05% maximum(from 50 Hz – 22 kHz @ +4 dBu
output level, 22 Hz – 22 kHz filter bandwidth, +46 dB gain setting |
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Gain Accuracy: |
(Mic - Line) +0.6, -0.1 dB with reference
to front panel gain markings (150 ohm source, 100 k load impedances) |
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Output Clipping Level: |
(Line) +22 dBu minimum with 100k ohm
load+20 dBu minimum with 600 ohm load |
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Input Clipping Level: |
(Mic) +4 dBu minimum at the 0 or +18 dB
gain setting |
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Common Mode Rejection Ratio: |
100 dB minimum at 80 Hz60 dB minimum at 10
kHz |
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Weight: |
0.7 kg (1.1 lbs) |
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