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 hard drive SATA interface 2.5-in hard drive 4200–7200 RPM supported, solid-state drive (SSD) support, 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