Sound Devices 833
MPN #833
The 833 has 6 mic/line preamplifiers, 8 channels, 12 tracks, 6 analog outputs, and ultra-accurate timecode.
The 833 is the professional's tool for mobile and small productions. Like the popular Sound Devices 633, the 833 is small, lightweight, and compact. A tactile interface with dedicated faders, trim knobs, and PFL switches makes this mixer-recorder ideal for run-and-gun bag use.
The 833 has 6 mic/line preamplifiers, 8 channels, 12 tracks, 6 analog outputs, and ultra-accurate timecode. Many features have carried over from the premium Sound Devices' Scorpio, such as Sound Devices' new preamplifier design, 2 SD card slots, dual L-Mount battery charging and powering, and an internal 256 GB SSD.
Additionally, the 833 shares the same processing architecture and multiple FPGAs as the Scorpio. This enables the 833 to be fully routable, and any physical input can be routed to any track. The 833 features both digital and analog inputs and outputs, and has multiple powering options, so it will fit effortlessly into your existing kit.
A built-in three band EQ may be set to either pre- or post-fade for each channel to tackle any problems directly on-set. Enable Dugan Automixing to automatically attenuate unused microphones in multi-microphone applications. Up to 8 channels can be automixed at a time, and two separate groups can be mixed simultaneously.
Dedicated coms and slate allows for professional bi-directional communication with other crew members. Send customized mixes to the camera or crew with multiple mix buses. With the ability to record to three media simultaneously, you can turn over SD cards to production at the end of the day while keeping a backup on the internal 256 GB SSD.
The 833 may be controlled via the companion Android app, SD-Remote, which features transport controls, metering, and sound reports. For an instant mobile workstation, choose from one of several supported USB control surfaces for remote fader and transport control.
Features
6 ultra low-noise, all-new microphone preamplifiers8 channels, 6 buses, 12 tracks6 analog outputsUltra-accurate timecode256 GB internal SSD, 2 SD card slotsUSB-A and C ports for SD-Remote app, linear fader control via MCU, keyboard, and file transferDugan Automixing for up to 8 channels
Specifications
Analog Inputs
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
Inputs
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 10mA to all 6 inputs simultaneously
AES3 or AES42 available on XLR input 1
AES42: +10 V, 250 mA available, mode-1, auto-ASRC
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)
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: 1 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
Delay
Channel Adjustable 0-50 ms
Output Adjustable 0-500 ms
Maximum Gain
Trim stage (mic input): 76 dB
Trim stage (line input): 50 dB
Fader stage: 16 dB
Bus stage: 16 dB
Headphone stage: 20 dB
Mic-to-Line: 108 dB
Mic-to-Headphone: 112 dB
TA5 (along with mic input pins) for single connection to headset + mic High output, 4 ohm output impedance, 400 mW + 400 mW at each connector, all individually driven Compatible with headphones of any impedance
Outputs
Outputs
XLR (L, R) active-balanced, 250/3.2k/120 ohms (mic/-10/line)
TA3 (X1/X2) active-balanced, 250/3.2k/120 ohms (mic/-10/line)
3.5mm (X3/X4): unbalanced, stereo, 1.8k ohms
Maximum Output Level (all into 10k load)
Line: +20 dBu (7.8 Vrms)
"-10": +6 dBu (1.5 Vrms)
Mic: -20 dBu (0.078 Vrms)
X3/X4 Out: +6 dBu (1.5 Vrms)
Headphone outputs (¼", TA-5): +14 dBu (4.0 Vrms)
Digital Outputs
AES3 transformer-balanced, in pairs; 1-2 (XLR-L), 3-4 (XLR-R), 110 ohm, 2 V p-p, AES and S/PDIF compatible
Headphone Outputs
¼", 3.5 mm
TA5 (along with mic input pins) for single connection to headset + mic
High output, 4 ohm output impedance, 400 mW + 400 mW at each connector, all individually driven
Compatible with headphones of any impedance
Recording
A/D converters |32-bit, 120 dB, A-weighted dynamic range typical
A/D converters |Sampling rates 44.1 kHz, 47.952 kHz, 48 kHz, 48.048 kHz, 88.2 kHz, 96 kHz, 192 kHz
Recording
Internal 256 GB SSD; two removable SD Cards, 10% over-provisioned for optimum performance
Simultaneous recording to internal SSD and the two SD cards
exFAT formatting
12 tracks (8 iso channels, 4 buses)
Broadcast WAV monophonic and polyphonic file format
64-bit WAV (RF64) monophonic and polyphonic; support for files > 4 G
Automatic Mixing
Dugan Automixer up to 8 channels on Left and Right Mix bus
USB
USB-C (USB 3.1 type 1) for file transfer of internal SSD, both SD Cards.
USB-A host for keyboard, external controller, external USB hubs supported for connecting multiple devices.
Timecode and Sync
Modes Supported: Off, Rec Run, Free Run, 24h Run, External, including External Auto-Record and Continuous modes.
Frame Rates: 23.98*, 24, 25, 29.97 DF, 29.97 ND, 30 DF, 30 ND
Sample/Timecode Accuracy: 0.1 ppm (0.25 frames per 24 hours)
Timecode Input: 20k ohm impedance, 0.3 V - 3.0 V p-p (-17 dBu - +3 dBu)
Timecode Output: 75 ohm impedance, 5 V p-p (+12 dBu)
Word Clock Input: 10k/75 ohm selectable impedance, 1-5 V p-p input sensitivity
Word Clock Output: 75 ohm impedance, 5 V p-p output, at SR
Remote Control
USB MIDI MCU Control - supported 3rd party fader controllers
SD-Remote Android app
USB Keyboard
External Timecode Record Trigger
LCD
320x240, Transflective, excellent sunlight visibility
Larger touchscreen display available via USB-connected SD-Remote app
Power
External: 10-18 V input on locking TA4 connector, pin-4 = (+), pin-1 = (-)
Dual rear-mount Sony-style L-mount batteries with chargers
Idle Current Draw: 875 mA @ 12 V (10.5 W)
Intelligent power-down of unused mic preamps and other internal circuits
Environmental
Operating: -20° C to 60° C, 0 to 90% relative humidity (non-condensing)
Storage: -40° C to 85° C
Dimensions (H x W x D)
5.1 cm x 22 cm x 17 cm;
(2.0 in. x 8.7 in. x 6. in)
Weight
2.75 lbs (unpackaged, without batteries)
1.25 kg (unpackaged, without batteries)
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