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Sound Device Audio Recorders 788T

: Sound Device Audio Recorders 788T

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Desciption

Routing and Tracks

Extensive routing flexibility allows recording of isolated inputs while simultaneously recording mixed tracks. Inputs or track assignments can be sent to analog and digital outputs.

Data Storage and Transfer

The 788T has three options for recording storage that can be used simultaneously.

  • Internal storage: 788T (250 GB SATA), 788T-SSD (240 GB Solid State Drive)
  • CompactFlash cards with UDMA support
  • External FireWire hard drive or DVD-RAM (with bus powering)

The 788T Recorders can be connected to Mac OS or Windows computers with USB or FireWire 400/800 for high-speed data transfer.

788T Key Features List

  • 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
  • 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 250 GB, 2.5-inch SATA hard drive; 240 GB SSD in the 788T-SSD
  • 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

Specification

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

 

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