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Sound Devices 442 Production
Mixer
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SD-442 Field
Production
Mixer
This model has been
replaced by SD-552
The 442 Field Production Mixer
sets a new standard for functionality, size, and performance for
portable audio mixers. Its design was driven by the requirements of
professionals in film, TV news, documentary, radio, effects
recording, and music production.
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Product
Code:SD442 |
| Optional
Accessory |
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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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Lundahl
transformer-balanced mic or line-level inputs on XLR
connectors
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Transformer-balanced
line/tape/mic level output on XLR connectors
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Continuously
adjustable input trim
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Variable high-pass
filter
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Continuously
variable pan control
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Phantom (48-volt or
15-volt) or "T" microphone powering selected per
channel
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Solo (PFL) channel
monitoring in headphones
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Peak limiters per
channel
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Direct outputs on
TA3 locking connectors
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Transformer-balanced
line/tape/mic level output on Hirose connector
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Balanced line or
tape level output on TA3 locking connectors
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Un-balanced
TRS-stereo tape level output on 1/8-inch connector
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Un-balanced TS-mono
mic level output on 1/8-inch connector
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Sunlight-viewable
LED meters with proprietary software-selected
ballistics
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On-board MS stereo
matrix, channels 1 and 2
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Two independent
monitor return inputs for monitoring two-camera
productions
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Push pots for setup
features keep front panel clutter-free
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Compact 6061
aluminum chassis
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Powered by four AA
batteries or external 5 - 18 VDC
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| Specifications |
| Maximum
Gain: |
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 |
| Frequency
Response: |
20 Hz - 30 kHz, +0.2, -0.5 dB, -1 dB
@ 5 Hz and 50 kHz typical |
| Equivalent Input Noise: |
-126 dBu (-128 dBV) maximum. (22 Hz - 22 kHz bandwidth,
flat filter, trim control fully up) |
| Dynamic
Range: |
115 dB minimum (trim fully
down) |
| 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) |
| Output
Noise: |
-100 dBu (-102 dBV) maximum (22 Hz -
22 kHz bandwidth, flat filter, master gain fully up, faders fully
down) |
| High-Pass
Filters: |
sweepable 80 Hz to 240 Hz, 12 dB/oct at 80 Hz, 6 dB/octave
at 240 Hz |
| Temperature: |
operating: –20°C to
60°C, 0 to 95% relative humidity; (non-condensing), storage:
–40°C to 85°C |
| Powering: |
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 =
(-) |
| Metering: |
40 segment, sunlight-viewable,
selectable Peak, VU, or Peak (with or without peak hold) + VU
ballistics |
| Weight: |
2.0 kg, (4.5 lbs) unpackaged with four alkaline AA
batteries |
| Input
Clipping Level: |
0 dBu minimum (trim control fully
down) |
| Line
Output Clipping Level: (1% THD): |
20 dBu minimum
18 dBu minimum w/600 ohm load |
| Input
Type: |
XLR mic - 2k ohm Z,
transformer-balanced, 0 dBu max input
XLR line - 16k ohm Z, transformer-balanced, +40 dBu max
input |
| Output
Type: |
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 |
| Common
Mode Rejection Ratio: |
120 dB minimum at 80 Hz, mic input,
100 dB minimum at 10 kHz, mic input |
| L/R Gain
Matching: |
Mic in to Line Out: ± 0.1 dB |
| Mic
Powering: |
(each mic selectable):
no power applied, 12 V phantom, 48 V, 12 V T-power |
| Input
Limiters: |
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 |
| Output
Limiters: |
threshold selectable from +4 dBu to
+20 dBu, 1 dB steps, 20:1 limiting ratio, 1 mS attack time,
200 mS release time |
| Dimensions: |
53 mm x 165 mm x 279 mm (H x W x D), 2.1” x 6.5 x
11" |
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