The Ultimate Portable Mixer for Production, ENG, and Film
Developed with input from the industry's top audio engineers, Sound Devices 442 encompasses the audio performance, feature set, and mechanical construction demanded by those who rely on audio gear for their livelihood. The 442 contains four microphone preamplifiers that re-define portable audio performance. With its comprehensive inputs and extensive outputs, including direct outputs per channel, the 442 are at home in small run-and-gun applications as well as large, multiple-input productions.
The 442 incorporate a complete feature-set into a compact, functional design. All controls are accessible on its three main surfaces; no hidden controls. The high-efficiency power circuitry runs the mixer from either four internal AA batteries or external 5–18 VDC.
The 442 and 442N, like all Sound Devices professional audio products, are designed to withstand the physical and environmental extremes of field production. Its compact mechanic construction strikes the perfect balance between access to all functions, uncluttered design, and durability.
Key Features
· Lundahl transformer-balanced mic or line-level inputs on XLR connectors
· Transformer-balanced line/tape/mic level output on XLR connectors
· Continuously adjustable input trim
· Variable high-pass filter
· Continuously variable pan control
· Phantom (48-volt or 15-volt) or "T" microphone powering selected per channel
· Solo (PFL) channel monitoring in headphones
· Peak limiters per channel
· Direct outputs on TA3 locking connectors
· Transformer-balanced line/tape/mic level output on Hirose connector
· Balanced line or tape level output on TA3 locking connectors
· Un-balanced TRS-stereo tape level output on 1/8-inch connector
· Un-balanced TS-mono mic level output on 1/8-inch connector
· Sunlight-viewable LED meters with proprietary software-selected ballistics
· On-board MS stereo matrix, channels 1 and 2
· Two independent monitor return inputs for monitoring two-camera productions
· Push pots for setup features keep front panel clutter-free
· Compact 6061 aluminum chassis
· Powered by four AA batteries or external 5 - 18 VDC
Technical Specifications
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Maximum Gain:
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81 dB - mic in to line out
41 dB - mic in to mic out
67 dB - mic in to tape out
101 dB - mic in to headphone out |
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Frequency Response:
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20 Hz - 30 kHz, +0.2, -0.5 dB, -1 dB @ 5 Hz and 50 kHz typical |
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Equivalent Input Noise:
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-126 dBu (-128 dBV) maximum. (22 Hz - 22 kHz bandwidth, flat filter, trim control fully up) |
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Dynamic Range: |
115 dB minimum (trim fully down) |
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THD + Noise: |
0.007% typical (1 kHz, +4 dBu at line out), 0.09% max (50 Hz - 20 kHz, +18 dBu at line out, fader fully up) |
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Output Noise:
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-100 dBu (-102 dBV) maximum (22 Hz - 22 kHz bandwidth, flat filter, master gain fully up, faders fully down) |
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High-Pass Filters:
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sweepable 80 Hz to 240 Hz, 12 dB/oct at 80 Hz, 6 dB/octave at 240 Hz |
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Temperature:
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Operating: –20°C to 60°C, 0 to 95% relative humidity; (non-condensing), storage: –40°C to 85°C |
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Powering:
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Internal ±16 V (bi-polar) regulated audio rails, 3.2-8 V range internal batteries, isolated (floating) external DC input jack, 5-18 V
Locking 4-pin Hirose connector, pin-4 = (+), pin-1 = (-) |
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Metering:
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40 segment, sunlight-viewable,
selectable Peak, VU, or Peak (with or without peak hold) + VU ballistics |
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Weight:
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2.3 kg, (5.0 lbs) unpackaged with four alkaline AA batteries |
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Input Clipping Level:
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0 dBu minimum (trim control fully down) |
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Line Output Clipping Level: (1% THD):
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20 dBu minimum
18 dBu minimum w/600 ohm load |
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Input Type: |
XLR mic - 2k ohm Z, transformer-balanced, 0 dBu max input
XLR line - 16k ohm Z, transformer-balanced, +40 dBu max input |
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Output Type:
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XLR & multi-pin @ line - 85 ohm Z, transformer-balanced, +20 dBu max output
XLR & multi-pin @ mic - 150 ohm Z, transformer-balanced, +6 dBu max output
TA3 line - 1k ohm Z, impedance-balanced, +20 dBu max output |
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Common Mode Rejection Ratio: |
120 dB minimum at 80 Hz, mic input, 100 dB minimum at 10 kHz, mic input |
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L/R Gain Matching: |
Mic in to Line Out: ± 0.1 dB |
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Mic Powering: (Each mic selectable): |
No power applied, 12 V phantom, 48 V, 12 V T-power |
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Input Limiters:
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affects the output of the mic preamps only ('Trim' stage), +18 dBu threshold, 20:1 limiting ratio, 1 mS attack time, 200 mS release time. |
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Output Limiters:
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threshold selectable from +4 dBu to +20 dBu, 1 dB steps, 20:1 limiting ratio, 1 mS attack time,
200 mS release time. |
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Dimensions:
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53 mm x 165 mm x 279 mm (H x W x D), 2.1” x 6.5 x 11" |