442
Sound Devices
442
Sound Devices 442 Field Master 4-Channel Mixer
This is a rugged, professional 4-channel ENG mixer with fantastic microphone pre amps.
Product Weight: 4.5 lbs with four alkaline AA batteries
Dimensions: 2.1”H x 6.5"W x 11"D
Technical Tools
PDF Documents
- Manufacturer Data Sheet - Sound Devices - 442 (129 KB)
- Product Manual - Sound Devices - 442 (129 KB)
- Setups - Sound Devices - 442 (129 KB)
Manufacturer Specs
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
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.
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
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.