SOUND DEVICES
SD-702T Portable Digital Recorder

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Sound Devices 702T High Resolution Digital Audio Recorder

SD-702T Portable, High - Resolution Digital Audio Recorder with Time Code 
The two-channel 702T is a powerful two-track file-based portable, high-resolution digital audio recorder with time code. The super-compact device records and plays back to convenient, removable Compact Flash cards, making field recording simple and fast. It writes and reads uncompressed PCM audio at 16 or 24 bits with sample rates between 32 kHz and 192 kHz. Compressed (MP3) audio playback is also supported. The time code implementation makes the 702T perfect for any dual-system video or film production application.

The 702T implements a no-compromise audio path that includes Sound Devices’ next generation microphone preamplifiers. Designed specifically for high bandwidth, high bit rate digital recording, these preamps set a new standard for frequency response linearity, low distortion performance, and low noise.
No other recorder on the market matches its size or feature set. In addition, its learning curve is quite short—powerful does not mean complicated. While the 702T is a very capable recorder by itself, it truly excels when used in conjunction with an outboard audio mixer such as Sound Devices’ own 442 or 302.

Its Compact Flash storage is a highly-reliable industry standard. The removable, rechargeable battery is the popular Sony-compatible Li-ion camcorder cell. The 702T interconnects with Windows and Mac OS computers for convenient data transfer and backup.
 

Sound Devices 702T High Resolution Audio Recorder
Product Code:SD702T

Discontinued

Key Features of SD702T

  

  • Two-channels of Sound Devices next generation microphone preamps with phantom, limiters, and high-pass filters

  • Records to convenient, removable Compact Flash storage

  • Full-function, ultra-stable Ambient time code functionality,, tuneable to <0.2 PPM accuracy with all relevant TC rates

  • AES3 (XLR) or AES3id (unbalanced AES on BNC) digital inputs and AES3id outputs

  • Programmable, sunlight-viewable LED level metering

  • WAV format, mono or poly files, uncompressed PCM audio

  • 24-bit or 16-bit (with or without dither) and sampling at 32 kHz-192 kHz

  • MP3/ MP2 file playback

  • FireWire (IEEE-1394) port for high-speed data transfer to computers

  • 6-pin modular C. Link serial input and output for unit linking and control and expansion using the CL-1

  • Removable Li-on rechargeable battery compatible with Sony M- and L-mount Li-on batteries

  • 10–18 VDC external input powers and charges on-board battery

  • Aluminum & stainless-steel chassis for exceptional durability and light weight

  • Class-defining compact size

  • Designed for the same operational environmental extremes as Sound Devices field mixers 

 

Specifications of SD702T

  
Sampling Frequency: internal: 32, 44.1, 48, 48.048, 88.2, 96, 96.096, 176.4, 192 kHz; external: 32–192 kHz via word clock input
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: 114 dB, A-weighted bandwidth
110 dB, 20 Hz – 22 kHz bandwidth
D/A Dynamic Range: 112 dB, A-weighted bandwidth
108 dB, 20 Hz–22 kHz bandwidth
Frequency Res. Mic or Line: 10 Hz–40 kHz, +0.1, -0.5 (gain controls centered), Fs 96 kHz
Equivalent Input Noise: Mic: -133 dBu max (-135 dBV), 50 ohm source, A-weighted filter
Mic: -131 dBu max (-133 dBV) max, 50 ohm source, 20 Hz–20 kHz BW flat filter, gain fully up
Mic: -130 dBu max (-132 dBV), 150 ohm source, A-weighted filter
Mic: -128 dBu max (-130 dBV), 150 ohm source, 20 Hz–20 kHz BW flat filter, gain fully up
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 (normal gain mode): 25 to 70 dB; mic (low gain mode): 10 to 55 dB; line: -6 to 18 dB, 0.1 dB increments
Input Clipping Level: Mic input: -5 dBu minimum (normal gain mode, gain control fully down); mic input: +10 dBu minimum (low gain mode, gain control fully down); line input: +26 dBu minimum (gain control fully down)
High-Pass Filters: 40, 80, 160, 240 Hz @ 12/18/24 dB/oct (all menu selectable)
Mic Powering: (each XLR selectable): 48 V phantom through 6.8k resistors, 10 mA per mic available, menu-selected per channel in mic or line level positions
Mic Input Limiters: analog (pre-A/D converter), dual-stage optocoupler and FET,
-4 dBFS threshold, 20:1 limiting ratio, 5 mS attack time, 200 mS release time
Analog Line Output Clipping Level: +24 dBu minimum, 10k ohm load
Attenuation & Resolution 0 to 40 dB, 1 dB increments
I/O – Digital: AES3-id 75 ohm, 0.5 V p-p, S/PDIF compatible with RCA adapter
Digital Storage: Compact Flash CF type I, II, and + (microdrive) compatible, FAT32 formatted, 2 TB maximum
File Types: WAV or BWF, mono or polyphonic; MP3 @ 64, 96, 128, 240, or 320 kb/s stereo; utilities: format, speed test, and repair utility for internal HD and CF volumes
Time Code: modes supported: free run, record run, 24 hour run, continuous jam;
frame rates 23.976, 24, 25, 29.97DF, 29.97ND, 30DF, 30ND;
accuracy <0.2 ppm, when tuned with Ambient Master Controller; holds TC clock for 2 hours after main battery removal (AA time code battery installed); retains time of day
Data Transfer / Control: FireWire peripheral-mode,IEEE-1394a compliant, 6-pin FireWire, Windows 2000, XP, Mac OS X only: C. Link 6-pin modular input and output, RS-232 machine control, word clock, time code transfer
Metering: 38-segment (2 x 19), sunlight-viewable, selectable peak, VU, or peak (with or without peak hold) with VU ballistics, variable brightness
Powering: operating cell, removable 7.2 V (nominal) Sony M- or L-type Li-on, operational from 6 – 8 V; time code battery, 1.2 V AA nickel metal-hydride; power supply (external) 10–18 V, 1 A minimum, via locking 4-pin Hirose connector, use Hirose #HR10-7P-4P (DigiKey# HR100-ND) for locking mating DC connector; pin-4 = (+), pin-1 = (-) or pin-3 = (+) and pin-2=(-).
Environmental: operation and storage: ambient temperature 5–55° C, relative humidity (non-condensing) <80%
Other: LCD Display 202 x 32 pixel, extended temperature, backlit display; tone oscillator 100 Hz–10 kHz, variable output, assigned to tracks or outputs (menu-selectable);
Dimensions and Weight: 45 mm x 209 mm x 125 mm (H x W x D) 1.8” x 8.2” x 4.9” mass unpackaged: 1.0 kg, (2.1 lbs) without battery