Sound Devices 633 6-channel Compact Field Mixer and 10-track Digital Recorder

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Sound Devices 633 6-channel Compact Field Mixer and 10-track Digital Recorder
Three High-Bandwidth XLR Preamplifiers
+12, +48, and +10V Digital Phantom Power
HP Filter, Pan, Fader, Trim Controls
AES3 and AES42 for Digital Microphones
Digital Mixing
Records to SD and CompactFlash Cards
USB Computer Keyboard Metadata Entry
Multiple Simultaneous Power Sources
Built-In Save Battery and 2-Second Boot
Lightweight Molded Carbon-Fiber Chassis

Specifications

Connectors
3 x XLR 3-pin Female Inputs
3 x TA3 (mini-XLR) inputs
2 x XLR 3-pin male outputs (left and right)
1 x 1/4" headphone jack
2 x TA3 outputs (Aux 1 and Aux 2)
1 x 1/8" stereo output (Aux 3 and Aux 4)
1 x RTN output
1 x Timecode output
1 x 4-pin Hirose power connector

Inputs
Frequency Response :
10 to 40,000 Hz +/-0.5 dB
-3 dB at 65,000 Hz (192,000 Hz sampling rate reference at 1,000 Hz)

THD + Noise : 0.09% max (1,000 Hz, 22 to 22,000 Hz BW, fader at 0, 0 dBu output)
Equivalent Input Noise : -126 dBu (-128 dBV) maximum (22 to 22,000 Hz bandwidth, flat filter, trim control fully up)

Input Type -
XLR Mic : active balanced for use with <=600 Ohm microphones, 4,000 Ohm actual, 12 V or 48 V phantom power, 10 mA max
XLR AES : AES3 or AES42 (10 V power), SRC
XLR Line : active-balanced for use with <=2,000 Ohm outputs, 10,000 Ohm
TA3 Line : active-balanced for use with <= 2,000 Ohm outputs, 10,000 Ohm actual
RTN (3.5 mm) : unbalanced stereo for use with <= 2,000 Ohm outputs, 30,000 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 Filter -
Sweepable 80 to 240 Hz
12 dB/octave at 80 Hz
6 dB/octave at 240 Hz

Microphone Power -
Each analog input is selectable
12 V phantom through 680 Ohm resistors, 10 mA per mic available
48 V phantom through 6,800 Ohm, 10 mA per mic available

Limiting -
Analog input limiters (inputs 1 through 3)
Affects microphone preamp output only (Trim stage) : +16 dBu
Ratio : 20:1
Attack time : 1 ms
Release time : 500 ms
Digital input limiters (inputs 1 through 6)
Post-fader
+6 dBu to +18 dBu threshold (adjustable)
Ratio : 20:1
Attack time : 1 ms
Release time : 500 ms

AES : AES42 Mode 1: provides +10 V digital phantom power

Outputs
Output Type -
XLR Line : active balanced for use with >= 600 Ohm inputs
XLR -10 : active balanced for use with >= 10,000 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 >= 3,000 Ohm inputs
Aux X3 and X4 (3.5 mm) : unbalanced, stereo, for use with >= 6,000 Ohm inputs
Headphones (1/4"): unbalanced, stereo, for use with 8 to 2,000 Ohm headphones

Output Impedance -
XLR and TA3 balanced outputs : 100 Ohm at line setting
3,200 Ohm at -10 setting
150 Ohm at mic setting
TA3 balanced outs : 1,000 Ohm at Mic and line settings
Aux X3, X4 (3.5 mm) : 100 Ohm
Headphones (1/4") : 100 Ohm

Line Output Level : Clipping - 20 dBu minimum with 10,000 Ohm 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)

Limiting -
Affects the outputs of the mixer
Threshold selectable from +4 dBu to +18 dBu, 1 dB steps
Ratio : 20:1
Attack time : 1 ms
Release time : 500 ms

Maximum Gain -
Typical : Trim, Fader, Master, Phones, RTN fully up

Mic-level input
Master outs (XLR) at line : 91 dB
Master outs (XLR) at -10 : 77 dB
Master outs (XLR) at mic : 51 dB
X3, X4 Outs (3.5 mm) : 77 dB
Headphones (1/4") : 107 dB

Line-level input
Master outs (XLR) at line : 51 dB
Master outs (XLR) at -10 : 37 dB
Master outs (XLR) at mic : 11 dB
X3, X4 Outs (3.5 mm) : 37 dB
Headphones (1/4") : 67 dB

RTN
Headphones (1/4") : 5 dB

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 -
44,100 Hz
47,952 Hz
48,000 Hz
48,048 Hz
88,200 Hz
96,000 Hz
192,000 Hz

Bit Depth : 24-bit
Dynamic Range : 114 dB, A-weighted, typical

Recording storage :
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
Formats cards in-unit

File Type -
Record: WAV (Broadcast Wave File format), polyphonic or MP3
Playback: WAV (Broadcast Wave File format), polyphonic or MP3

Timecode -
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)
Timecode input : 20,000 Ohm impedance, 0.3 V to 3.0 V p-p (-17 dBu to +3 dBu)
Timecode output : 1,000 Ohm impedance, 3.0 V p-p (+12 dBu)

Accuracy : Sample/Timecode: +/- 0.2 ppm (0.5 frames per 24 hours)
Power :
External - 10 to 18 V on locking 4-pin Hirose connector, pin 4 = +, pin 1 = -
2 x Removable 7.2 V (nominal) Sony L-type Li-ion, operational from 6.5 to 8.5 V
Internal 6 x AA (LR6) batteries, 1.2 to 1.6 V nominal (NiMH rechargeable compatible)

Temperature : Operating -20 to 60o C (-4 to 140o F), Storage -40 to 85oC (-40 to 185o F)
Humidity (Non-condensing) : 0 to 90% relative humidity
Dimensions (H x W x D) : 6.0 x 24 x 14 cm (2.2 x 9.4 x 5.6 in)
Weight : 1.10 kg (2.56 lb)

Reviews

Reviewed by 1 Customers
Rating: 5.0
Sound Devices 633 6-channel Compact Field Mixer and 10-track Digital Recorder
Rating: 5.0
By from Johannesburg on
Great product. Thank you.