Sound Devices 633 6-Input Field Production Mixer and Digital Recorder


Price:
$3,575

Description

The 633 is a compact, six-input mixer with integrated 10-track recorder featuring PowerSafe technology. It offers six analog inputs and records to SD and CompactFlash memory cards.

The 633 is designed for audio professionals requiring go-anywhere portability, without compromising recording or mixing capability.

Additional Features
  • AES input, two-channel AES3 or AES42, four channels of AES output.
  • Clear, fast, easy to navigate controls and interface; visible in all light conditions, configurable metering and display.
  • USB Keyboard connection for quick and easy metadata entry.
  • Input delay selectable on all six inputs plus output bus delay on all six buses.
  • User-configurable headphone presets plus a headphone favorite mode for quick source selection.
633 Specifications
Analog Inputs Frequency Response
  • 10 Hz to 40 kHz ± 0.5 dB, -3 dB @ 65 kHz (192 kHz sampling rate reference 1 kHz)
THD + Noise

0 .09% max (1 kHz, 22 Hz–22 kHz BW, fader at 0, 0 dBu output)

Equivalent Input Noise
  • -126 dBu (-128 dBV) maximum. (22 Hz - 22 kHz bandwidth, flat filter, trim control fully up)
Input Types
  • XLR Mic: active-balanced for use with ≤600 ohm mics, 4k ohm actual; 12V or 48V phantom power, 10 mA max
  • XLR AES: AES3 or AES42 (10 V power), SRC
  • XLR Line: active-balanced for use with ≤2k ohm outputs, 10k ohm actual
  • TA3 Line: active-balanced for use with ≤2k ohm outputs, 10k ohm actual
  • RTN (3.5 mm): unbalanced stereo for use with ≤2k ohm outputs, 30k ohm actual
Maximum Input Level
  • XLR Mic: 0 dBu (0 .78 Vrms)
  • XLR Line: +40 dBu (80 Vrms)
  • RTN (3 .5 mm): +24 dBu (12 .4 Vrms)
Maximum Gain
  • Mic-In-to-Line-Out: 91 dB
  • Mic-In-to-Aux-Out, -10 Out: 77 dB
  • Line-In-to-Line-Out: 39 dB
High-Pass Filters
  • Sweepable 80 Hz to 240 Hz, 12 dB/oct at 80 Hz, 6 dB/octave at 240 Hz
Microphone Powering (each analog Input selectable)
  • 12 V Phantom: through 680 ohm resistors, 10 mA per mic available
  • 48 V Phantom: through 6 .8k resistors, 10 mA per mic available
Analog Input Limiters (Inputs 1-3)
  • Affects the output of the mic preamps only (‘Trim’ stage) · +16 dBu threshold (fixed)
  • 20:1 limiting ratio
  • 1 mS attack time
  • 500 mS release time
Digital Input Limiters (Inputs 1-6)
  • Post-fader
  • +6 dBu to +18 dBu threshold (adjustable) · 20:1 limiting ratio
  • 1 mS attack time
  • 500 mS release time
Digital Inputs AES42
  • AES42 Mode 1, provides +10 V Digital Phantom Power
Analog Outputs Output Type
  • XLR Line: Active Balanced for use with ≥600 ohm inputs
  • XLR -10: Active Balanced for use with ≥10k ohm inputs
  • XLR Mic: Active Balanced for use with ≥600 ohm inputs
  • TA3 Active Balanced Mic/Line: pin-2 and 3 driven, for use with ≥3k ohm inputs · X3,X4 (3 .5 mm): Unbalanced, stereo, for use with ≥6k ohm inputs
  • Headphones (1/4”): Unbalanced, stereo, for use with 8-2k ohm headphones
Output Impedance (ohms actual)
  • XLR and TA3 balanced outputs: 100 ohms at Line setting, 3 .2k ohms at -10 setting, 150 ohms at Mic setting
  • TA3 Balanced Outs: 1k ohms at Mic and Line settings · X3,X4 (3 .5 mm): 100 ohms
  • Headphones (1/4”): 100 ohms
Line Output Clipping Level (1% THD)
  • 20 dBu minimum with 10k load
Maximum Output Level
  • Line: +20 dBu (7.8 Vrms)
  • -10: +6 dBu (1.5 Vrms)
  • Mic: -20 dBu (0.078 Vrms)
  • Aux 3/4: +6 dBu (1.5 Vrms)
Output Limiters
  • Affects the outputs of the mixer
  • Threshold selectable from +4 dBu to +18 dBu, 1 dB steps · 20:1 limiting ratio
  • 1 mS attack time
  • 500 mS release time
Maximum Gain - Typical (Trim, Fader, Master, Phones, RTN fully up)

MIC Level Input

LINE Level Input

RTN

Master Outs (XLR) @ LINE

91 dB 51 dB -

Master Outs (XLR) @ -10

77 dB 37 dB -

Master Outs (XLR) @ MIC

51 dB 11 dB -

X3, X4 Outs (3 .5 mm)

77 dB 37 dB -

Headphones (1/4”)

107 dB 67 dB 5dB
Digital Outputs/Recorder AES3 Output
  • Transformer-balanced AES Out A,B on XLR
  • 110 ohm, 2 V p-p, AES and S/PDIF compatible with RCA adaptor
Sampling Frequency
  • 44.1 kHz
  • 47.952 kHz
  • 48 kHz
  • 48.048 kHz
  • 88.2 kHz
  • 96 kHz
  • 192 kHz
A/D
  • 24 bit
A/D Dynamic Range
  • 114 dB, A-weighted, typical
Recording Storage Type
  • SD, SDXC, SDHC Card
  • FAT32 or exFAT formatted, will format media on-board
  • CompactFlash (CF)
  • FAT32 formatted for CF and SD <32 GB, exFAT for SD cards >32 GB, will format memory cards in-unit
File Type
  • Record: WAV (Broadcast Wave File format), polyphonic or MP3
  • Playback: WAV (Broadcast Wave File format), polyphonic or MP3
Timecode and Sync Timecode and Sync
  • Modes Supported: off, Rec Run, Free Run, 24h Run, External
  • Frame Rates: 23.976, 24, 25, 29.97DF, 29.97ND, 30DF, 30ND
  • Accuracy: Ambient generator, 0.2 ppm (0.5 frame in 24 hr)
  • Time Code Input: 20k ohm impedance, 0.3 V - 3.0 V p-p (-17 dBu - +3 dBu)
  • Time Code Output: 1k ohm impedance, 3.0V p-p (+12 dBu)
Sample/Timecode Accuracy
  • ± 0.2 ppm (0.5 frames per 24 hours)
Power
  • External: 10-18 V on locking 4-pin Hirose connector, pin-4 = (+), pin-1 = (-).
  • Removable x 2: 7.2 V (nominal) Sony L-type Li-ion, operational from 6.5–8.5 V,
  • Internal: accepts 6 AA-sized (LR6) batteries, 1.2-1.6 V nominal (NiMH rechargeable compatible)
Environmental
  • Operating: -20°C to 60°C, 0 to 90% relative humidity; (non-condensing)
  • Storage: -40°C to 85°C
Dimensions and Weight
  • Dimensions: 6 cm x 24 cm x 14 cm (H x W x D); 2.2” x 9.4” x 5.6”
  • Weight: 1.1 kg; 2 lbs. 9 oz. (unpackaged, without batteries)

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