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722

722 Specifications

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

Internal hard drive ATA-5 interface 1.8-in or 2.5-in hard drive 4200–7200 RPM supported, FAT32 formatted,; Compact Flash CF type I, II, and + (microdrive) compatible, FAT32 formatted; file types: WAV, 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

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

76-segment (4 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: 1.2 kg, (2.6 lbs) without battery