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Sound Devices 833 Portable Compact Mixer-Recorder

Manufacturer: Sound Devices
SKU: SND-833
$5,950.00 USD
$5,950.00 USD
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Fully routable. Ultra-portable.

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.


Fully routable. Ultra-portable. 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.



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
    • 48 V phantom: full 10 mA to all 6 inputs simultaneously
    • 8 Total analog inputs: 6 mic-line inputs, 2 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, 3.5 mm) 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
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
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)
    • 3.5 mm (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, 96 kHz, 192 kHz
  • Bit Depth
    • 16, 24
  • 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
    • AAC 2 track at 48 kHz, selectable bit rate 32, 64, 128, 192, 256 kbps
Automatic Mixing
  • Dugan Automixer up to 8 channels on Left and Right Mix bus
  • MixAssist up to 8-channels on Left and Right Mix bus
Noise Suppression
  • Via optional paid Sound Devices NoiseAssist or CEDAR sdnx Plugins 
  • Two, four, or eight instances of Noise Suppression can run on any combination of isolated channels (excluding 17-32 on Scorpio), or buses.
  • Attenuation range: 0-20 dB 
  • NoiseAssist operates with sampling rates of 44.1 kHz to 48.048 kHz.
  • CEDAR sdnx operates with sampling rates of 44.1 kHz to 96 kHz.
  • NoiseAssist audio path latency: 0.77 ms @ 48kHz
  • CEDAR sdnx audio path latency: 0.27 ms @ 48kHz, 0.14ms @ 96kHz
USB
  • USB-C (USB 3.1 type 1) for file transfer of internal SSD, both SD Cards.
  • USB-C 2-in/2-out USB audio interface
  • HUSB-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 (+7 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 Tablet app via USB or Bluetooth LE
  • SD-Remote Android Phone app via Bluetooth LE
  • SD-Remote iPad and iPhone app via Bluetooth LE
  • USB Keyboard
  • External Timecode Record Trigger
File Delivery to Cloud
  • Compatible with Viviana Cloud
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 positive, pin 1 ground), supports Smart Battery telemetry
  • Dual rear-mount Sony-style L-mount batteries with chargers
  • Current Draw, at 12 V 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
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
  • 2.75 lbs (unpackaged, without batteries)
  • 1.25 kg (unpackaged, without batteries)


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