SOUND DEVICES 833

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 preamplifiers
• 8 channels, 6 buses, 12 tracks
• 6 analog output
• ultra-accurate timecode
• 256 GB internal SSD, 2 SD card slots
• Dugan Automixing for up to 8 channels
• USB-A and C ports for SD-Remote app, linear fader control via MCU, keyboard, and file transfer

 

833 Specifications

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
• 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 Left and/or Right Mix Buses.
• 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

Compressors

• Compressors available at all channels (pre or post-fade) and buses for all sample rates
• Attack time: adjustable, 1 to 200 ms
• Release time: adjustable, 50 ms to 1000 ms
• Threshold: adjustable, 0 dBFS to -40 dBFS
• Selectable ratio: adjustable, 1:1 to 20:1
• Knee: soft, hard

Dela

• 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 d
• 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

• 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

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

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)

A/D converters

• 32-bit, 120 dB, A-weighted dynamic range typical
• Sampling rates 44.1 kHz, 47.952 kHz, 48 kHz, 48.048 kHz, 88.2 kHz, 96 kHz, 192 kHz

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

Recording

• Internal 256 GB SSD; two removable SD Cards, 10% over-provisioned for optimum performance
• Selectable bit depth 16 or 24-bit
• 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
AAC 2 track at 48 kHz, selectable bit rate 32, 64, 128, 192, 256 kbps

AutoMatic Mixing

• Dugan Automixing for up to 8 channels on left and right mix bus
MixAssist up to 16-channels on Left and Right bus
• NOISE SUPPRESSION
• Via optional paid NoiseAssist Plugin
• Up to two instances of NoiseAssist can run on any combination of
• isolated channels (excluding 17-32 on Scorpio), bus L, or bus R.

USB

• USB-C (USB 3.1 type 1) for file transfer of internal SSD, both SD Cards
• USB-C 2-in/2 out audio streaming
• 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

• Sound Devices CL-12 Linear Fader Controller
USB MIDI MCU Control – supported 3rd party fader controllers
• SD-Remote Android app via USB or Bluetooth LE
• SD-Remote iPad app via Bluetooth LE
• USB Keyboard
• External Timecode Record Trigger

LCD

• 320×240, 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
• Current Draw, at 12V no battery charging:
• All mic preamps off: 730 mA
• All mic preamps on: 920 mA
• All mic preamps on, 192 kHz sample rate, recording to internal SSD and 2 SD Cards: 1.07 A
• Intelligent power-down of unused mic preamps and other internal circuits
Smart Battery telemetry supported via DC Input

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 6.6 in)

Weight

• 1.25 Kg (2.75 lbs) (unpackaged, without batteries)