Sound Devices 788T

Sound Devices 788T: Portable, Eight Input, Twelve-Track Recorder with Time Code.

The 788T is a powerful eight input, twelve-track digital audio recorder designed for production sound.

Its eight full-featured inputs ensure superb audio quality. They accept either microphone or line-level signals, provide 48 V phantom power for condenser microphones, offer peak limiters for microphone inputs, and fully adjustable high-pass filters. Support for AES42 digital microphones is also available. Extensive routing flexibility allows each input to be routed to left/right mixed tracks, isolated tracks, or aux tracks.

the 788T has eight channels of balanced AES3 digital input and six channels of balanced AES3 output. The 788T can be clocked from external word clock or from video sync. The 788T has a high-accuracy time code reader/generator on board. It includes auto-record features to chase external rec-run video sources.

The 788T has three options for recording media, internal 160 GB SATA hard drive, CompactFlash media with UDMA support, or an external FireWire hard drive or DVD-RAM (with bus powering). Any or all of these can be used simultaneously. Additionally, when connected to Mac OS, or Windows computers with high-speed USB or FireWire 400/800, the 788T functions as a high-speed mass storage device.

Features:

Sampling rate selectable up to 96 kHz
AES42 digital microphone support
Backlit LCD display viewable in any environment
8 x 13-segment Peak/VU meters with arm LED
Word clock in and out with tri-level video sync support
Time code generator supports all data rates; holds time code for four hours with no power sources attached
Internal 160 GB, 2.5-inch SATA hard drive
CompactFlash slot with UDMA support
Powered by removable Li-ion rechargeable batteries
External DC power input operates unit and charges Li-ion battery
Back panel multi-pin connector for one-cable connection to digital mixing board (AES input/output, power, switch closure in/out)
FireWire 400/800 and USB 2.0 connections for ultra-fast file tranfer between 788T’s CF and HDD to computer
USB keyboard input for control
Aluminum & stainless-steel chassis for exceptional durability and light weight
Designed for the same operational environmental extremes as Sound Devices field mixers
Eight mic/line inputs, each controlled with front panel, pop-out gain controls
12-track recording, to record iso’s, stereo mix track, and two-track aux, Aux1, Aux2
Each input has solo headphone monitoring, 48 V phantom, limiter, polarity reverse, high-pass, and selectable delay
Selectable sampling rate converters on each digital input

Specifications:

Sampling Frequency:
internal: 32, 44.1, 47.952, 48, 48.048, 88.2, 96, 96.096
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, 96.096 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

Metering
112-segment (8 x 14), sunlight-viewable, selectable peak, VU, or peak (with or without peak hold) with VU ballistics, variable brightness

Frequency Res. Mic or Line:
10 Hz–20 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

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, 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
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)

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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Tags: 24 Bit, High Definition, location, Phantom power, recorder, Sound Devices

This entry was posted on Tuesday, June 2nd, 2009 at 8:27 pm and is filed under Location Recorders. You can follow any responses to this entry through the RSS 2.0 feed.