Digital System

Sampling Frequency
  • Internal: 32, 44.1, 47.952, 48, 48.048, 88.2, 96, 96.096, 176.4 and 192 kHz
  • External clocking: 32–96.096 kHz via word clock or digital inputs
Internal Data Path and Processing
  • 32 bit, 192 dB dynamic range
A/D, D/A Converters
  • 24 bit, 192 kHz sample rate maximum
A/D Dynamic Range
  • 123 dB, A-weighted bandwidth
  • 120 dB, 20 Hz–22 kHz bandwidth
D/A Dynamic Range
  • 114 dB, A-weighted bandwidth
  • 111 dB, 20 Hz–22 kHz bandwidth

Analog Audio

Frequency Res. Mic or Line
  • 10 Hz–40 kHz, +0.1, -0.5 (gain controls centered, measured at 48 kHz)
THD + Noise
  • Mic: 0.004% max (1 kHz, 22 Hz–22 kHz BW, gain control down, -15 dBu input)
  • Line: 0.004% max (1 kHz, 22 Hz–22 kHz BW, gain control down, +16 dBu input)
Gain (input dBu to -20 dBFS)
  • Mic: Off (0) to 76.0 dB
  • Line: Off, -26.0 to 50.0 dB
Input Impedance
  • Mic (XLR and TA3): 3.3k ohm; Line (XLR and TA3): 3.3k ohm
Input Clipping Level
  • Mic input: +8 dBu minimum (gain = 10 dB); line input: +26 dBu minimum (gain = 0 dB)
Input Topology Mic and Line
  • Fully electronically balanced, RF, ESD, short, and overload protected; pin-2 hot, pin-3 cold
Gain Matching Mic/Line inputs
  • 0.1 dB increments, channel-to-channel while linked
Common Mode Rejection Ratio
  • Mic: 40 dB minimum at 80 Hz
Metering
  • 112-segment (8 x 14), sunlight-viewable, selectable peak, VU, or peak (with or without peak hold) with VU ballistics, variable brightness
High-Pass Filters
  • 40-320 Hz in 10Hz steps @ 6/12 dB/oct (Setup Menu selectable)
Mic Powering (Each analog input selectable)
  • 48 V phantom through 6.8k resistors, 10 mA per mic available, menu-selected per channel in mic or line level positions
Mic/Line Input Limiters
  • Variable threshold -12 to -2 dBFS; Infinite:1 limiting ratio, 2 mS attack time, menu-selectable release time 200-2000 mS, soft-knee starting approximately 6dB below setting.
Line Output Clipping Level
  • +24 dBu minimum, 10k ohm load
Attenuation & Resolution
  • 0–20 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.
I/O – Digital
  • Balanced AES in 1-8 on DE15 connector 110 ohm, 2 V p-p, AES and S/PDIF compatible with RCA adaptor, AES42 mode 1 compatible and provides 10 V to AES42 microphones
  • AES3 Balanced AES out 1-4 on TA3 connector; Balanced AES out 5-6 on DE15 connector 110 ohm, 2 Vp-p, AES and S/PDIF compatible with RCA adaptor
Digital Storage
  • Internal solid-state drive (SSD) supported, FAT32 formatted, up to 2 TB addressable
  • CompactFlash CF type I, II, and + (microdrive) compatible, UDMA (300x) compatible, FAT32 formatted, up to 2 TB addressable
File Types
  • Record: WAV (AES-31 format), mono or polyphonic, at supported Fs, 24-bit or 16-bit;
  • Playback: WAV (AES-31 format), mono or polyphonic, at supported Fs, 24-bit or 16-bit;
  • 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
  • Drive formatting and speed test for internal hard drive, CF and external drive volumes
Data Transfer / Control
  • FireWire 400: For connection to external drives and computers: IEEE-1394a compliant, 6-pin FireWire, Windows 2000, XP, Vista, 7) Mac OS X only
  • FireWire 800: For connection to external drives and computers: IEEE-1394b compliant, 8-pin FireWire, Windows (2000, XP, Vista, 7), Mac OS X only
  • USB 2.0: Slave mode only. For connection to Windows( 2000, XP, Vista,7) Mac OS X only
  • USB Keyboard Input: For connection to USB keyboards for entering notes and controlling features and functions of the 788T via user selectable keyboard shortcuts.
Time Code
  • Modes Supported: Off, free run, record run, 24 hour run, external time code receive, free run -auto output mute
  • 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 4 hours after main battery removal; after 4 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)
Word Source
  • Internal Sync: internal word clock generator
  • External Sync Input: Word Clock, AES3, or Video (NTSC, PAL, and Tri-Level)
  • Word Clock Output: Square wave, running at sample rate, 3.3 V p-p, 75 ohm
Power
  • Power supply (batteries): operating cell, removable 7.2 V (nominal) Sony L-type Li-ion, operational from 6.5–8.5 V, time code battery, internal 3.6 Li–ion
  • 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-4 (+).
Environmental
  • Operation and Storage ambient temperature 5–55° C, relative humidity (non-condensing) 80%
Other
  • Tone Oscillator: 100 Hz–10 kHz, variable output, assigned to tracks or outputs (menu-selectable), continuious or L-ident mode
Dimensions and Weight
  • Size: 45 mm x 257 mm x 163 mm (H x W x D) 1.8" x 10.1" x 6.4"
  • Mass: unpackaged: 1.7 kg, (3 lbs 12 oz.) without battery

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