Sound Devices 833 User Manual

Specifications
Specifications are subject to change without prior notice.
For the latest information available on all Sound Devices products, visit our website: www.sounddevices.com
Frequency Response
10 Hz to 80 kHz ± 0.5 dB (192 kHz sample rate, re 1 kHz)
THD + Noise
0.005% max (mic in, 1 kHz, 22 Hz–22 kHz BW, trim at 20, fader at 0, -10 dBu in)
Equivalent Input Noise
-131 dBV (-129 dBu) max (mic in, A-weighting, 76 dB gain, 150 ohm source impedance)
Processing Engine
Highly extensible, full FPGA-based audio processing, 3 FPGAs
Six-way ARM multiprocessor system
64-bit audio processing precision
Inputs
Mic/Line inputs: 6 total, all fully featured; 3 on full-size XLR, 3 on TA3
Mic-level inputs: (XLR, TA3): Class-A, discrete differential long-tail pair, 4k ohm input impedance
Line-level inputs: (XLR, TA3,): active-balanced, 4k ohm input impedance
48V phantom: full 10 mA to all 6 inputs simultaneously
8 Total analog inputs: 6 mic-line inputs, 2 on returns
12 Total analog inputs: 8 mic-line inputs, 4 on returns
AES3 or AES42 available on XLR input 1
AES42: +10 V, 250 mA available, mode-1, auto-ASRC
USB Audio: 2 inputs
SL-2 inputs: SuperSlot or UniSlot
Aux (3.5 mm): unbalanced 2-channel, 4k ohm input impedance
Com Rtn (TA3, 3.5mm) balanced, 1-channel, 8k ohm input impedance
External Slate Mic (TA5): balanced, 8k ohm input impedance, menu-selectable 12 V phantom
Maximum Input Level
Mic: +8 dBu (2.0 Vrms)
Line: +28 dBu (19.5 Vrms)
Aux: +18 dBu (6.2 Vrms)
Com Rtn: +24 dBu (12.3 Vrms)
External Slate Mic: +12 dBu (3.2 Vrms)
Buses
6 Buses (L, R, 1-4)
Left and Right Mix Bus receives post-fade isolated channels. Optional NoiseAssist plugin instances can be applied to any bus.
Buses 1-4 can receive pre-fade, post-fade, or independent send level from isolated channels, Return, and Com Return.
High-Pass Filters
Adjustable 10 Hz to 320 Hz, 18 dB/oct. 1st stage analog (before preamp), 2nd stage digital.
Limiters
Limiters available at all channels, buses, headphones, for all sample rates
Analog first stage, all subsequent stages digital
Attack time: adjustable 1 to 200 ms
Release time: adjustable, 50 ms to 1000 ms
Threshold: adjustable, -2 dBFS to -12 dBFS
Selectable ratio: inf:1, 20:1, 18:1, 16:1, 14:1, 12:1, 10:1
Knee: soft, hard
833 User Guide 108

Sound Devices 833 Specifications

General

Number of Channels	8
Mic Inputs	6
Main Outputs	2
Aux Outputs	4
Headphone Output	1
Bit Depth	24-bit
Timecode	Yes
Dynamic Range	120 dB
Microphone Preamps	6
Analog Outputs	4
Type	Portable Mixer-Recorder
Line Inputs	6
AES Inputs	2
Sampling Rate	up to 192 kHz
Recording Media	SD, SDHC, SDXC
Power	Battery or External DC
Frequency Response	10 Hz to 80 kHz
THD+N	0.005%
Digital Outputs	2