Output analog, Inputs/outputs – digital, Digital storage – Sound Devices 744T User Manual
Page 84: Data transfer / control, Time code, Power, Environmental

744T User Guide and Technical Information
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v. 2.67
Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
Output Analog
Line Output Clipping
Level
+20 dBu minimum, 10k ohm load
Attenuation & Resolution 0–40 dB, 1 dB increments
Output Topology
Line: fully electronically-balanced, RF, ESD, short, and overload protected; pin-2 driven hot,
pin-3 driven cold; let pin-3 float for unbalanced connections.
Inputs/Outputs – Digital
AES3-id
75 ohm, 0.5 V p-p, S/PDIF compatible with RCA adapter
Digital Storage
Internal hard drive
SATA interface 2.5-in hard drive 4200–7200 RPM supported, FAT32 formatted,
up to 2 TB addressable
serial numbers below 461509071000 use
ATA-5 interface 1.8-in or 2.5-in hard drive 4200–7200 RPM supported, FAT32 formatted,
up to 2 TB addressable
CompactFlash
CF type I, II, and + (microdrive) compatible, FAT32 formatted, up to 2 TB addressable
File Types
WAV (AES-31 format), mono or polyphonic, at supported Fs, 24-bit or 16-bit
FLAC, (Free Lossless Audio Codec)
MP3 @ 32, 64, 96, 128, 160, 192, 256, or 320 kb/s stereo
MP2 @ 64, 96, 128, 160, 192, 256, or 320, 384 kb/s stereo
Utilities
format, and speed test for internal HD, CF, and external drive volumes
Data Transfer / Control
FireWire
drive-mode, IEEE-1394a compliant, 6-pin FireWire, Windows 2000, XP, Vista, Mac OS X only
C . Link
6-wire modular input and output, RS-232 machine control, word clock, time code transfer
Time Code
Modes Supported
free run, record run, 24 hour run, external time code receive
Frame Rates
23.976, 24, 25, 29.97DF, 29.97ND, 30DF, 30ND, 30+
Accuracy
<0.2 ppm, when tuned with Ambient Master Controller, holds TC clock for 8 hours after main bat-
tery removal (AA time code battery installed); after 8 hours, retains time of day
Input / Output
20k ohm impedance, 0.3V p-p (–8 dBu) minimum / 1k ohm impedance, 3.0V p-p (+12 dBu)
Power
Internal Voltages
±16 VDC regulated audio rails
5 VDC data
3.3 VDC data
1.5 VDC DSP core
48 VDC phantom power
Power supply (batteries) operating cell, removable 7.2 V (nominal) Sony M- or L-type Li-ion, operational from 6–8 V,
time code battery, 1.2 V AA nickel metal-hydride
Power supply (external)
10–18 V, 1000 mA minimum, via locking 4-pin Hirose connector, use Hirose #HR10-7P-4P
(DigiKey# HR100-ND) for locking mating DC connector; pin-1 (
-), pin-2 (-), pin-3 (+), pin-4 (+).
See
Powering
section for additional details
Environmental
Operation and Storage
ambient temperature 5–55° C,
relative humidity (non-condensing) <80%