Digidesign 888|24 Audio Interface

The 888|24 I/O is an audio interface used with Pro Tools (requires PT 4.1 or later).
It connects to any of the following cards: PT Project PCI, Disk I/O PCI, d24 Audio Card, Mix Core, Mix Farm.
The 888|24 I/O may also be connected to the legacy port of a 192 I/O on a Pro Tools HD system.

General

• Analog Inputs/Outputs: Actively balanced XLR connectors; internally switchable between +4dBu and -10dBV operating levels
• Analog Level Trimming: via recessed trim pot, accessible from front panel
• Digital I/O's AES/EBU: 8 channels; balanced XLR connectors
• Digital I/O's S/PDIF: 2 channels; coaxial RCA connectors
• Sample Rate: 44.1kHz or 48kHz +/-10ppm
• Clock Reference: Super Clock 256x sample clock; In/Out; BNC connectors; additional clock references supported via Digidesign's Universal Slave Driver, SMPTE Slave Driver, Video Slave Driver and other optional synchronizers
• Nominal Operating Level: +4dBu; factory calibrated at -18dB headroom

A/D Specifications (typical)

• SNR (signal-to-noise ratio): -113dB (balanced, A-weighted), -110dB (unweighted)
• THD: 0.003% -0.01dB @ 1kHz 20Hz-20kHz (band-limited)
• Maximum Input: +26dB
• Frequency Response: 20Hz-20kHz +/-1db
• Clock jitter: <40pS RMS 22Hz-22kHz BW

D/A Specifications (typical)

• SNR (signal-to-noise ratio): -110dB (balanced, A-weighted), -107dB (unweighted)
• THD: 0.003% -0.01dB @ 1kHz 20Hz- 20kHz (band-limited)
• Maximum Output: +26 dB/channel (bridging loads)
• Frequency Response: 20Hz-20kHz +/-1dB
• Output Impedance: 50ohms typical (45 min, 55 max)
• Input Impedance: 24 kohms typical

Physical Specifications

• Power requirements: 90-260 VAC, 47-63 Hz; 30 VA; auto-switching
• Weight: 7 lbs, 9 oz (4.1 kg)
• 2u external rackmount device; 19" x 3.5" x 9.75" (48.26 cm x 8.89 cm x 24.77 cm) black anodized finish

Digidesign 882|20 Audio Interface

The 882|20 Audio Interface (MH072) is a peripheral used with Pro Tools.
It connects to a MIX, MIX I/O, d24, Disk I/O PCI, DSP Farm PCI, or Project II card.

Analog-to-Digital Performance

• 20-bit A/D converters, Delta-Sigma
• Signal-to-Noise Ratio: 103 dB or greater (A-weighted); 100 dB or greater (unweighted) @ 22 Hz - 22 kHz
• THD+N: <0.003% @ 1 kHz; 20 Hz - 20 kHz
• Frequency Response: >22 Hz to 22 kHz, +/-0.5 dB

Digital-to-Analog Performance

• 20-bit D/A converters, Delta-Sigma
• Signal-to-Noise Ratio: 98 dB or greater (A weighted); 96 dB or greater (unweighted) @ 22 Hz - 22 kHz
• THD+N: <0.003% @ -1 dBFS, 1 kHz; 22 Hz - 22 kHz
• Frequency Response: >22 Hz to 22 kHz, +/-0.5 dB

Misc. Specifications

• S/PDIF resolution: 24-bit
• Max input and output level: +18 dB

Physical Specifications

• Voltage: 85 to 264 VAC
• Frequency: 47 to 63 Hz, autoswitching
• Wattage: 5 W typical, 30 W max
• Weight: 4.8 lbs. (2.2 kg)
• Dimensions: 1U external rack mount device; 19"x 1.75"x 7.5"(48.26 cm x 4.45 cm x 24.77 cm); black anodized finish

Digidesign ADAT Bridge Audio Interface

Connectors

• ADAT Optical Connectors: 2 pair of TOS-link digital connectors, each supporting 8 channels of I/O at up to 20-bit resolution
• Digital I/O: AES/EBU: XLR-type balanced connectors, up to 24-bit resolution
• S/PDIF: RCA-type unbalanced connectors, up to 24-bit resolution
• Word Clock Output: BNC-type connector (1x sample rate)
• Slave Clock Input/Output: BNC-type connector (256x sample rate)

Analog Performance

• Output: (2) 1/4" TRS actively balanced connectors (unbalanced operation also supported)
• Line Level Output: +4 dBu or -10 dBV (software selectable)
• Nominal Operating Level: +14 dB (+4 dBu output mode)
• Signal-to-Noise Ratio: -97 dB (unweighted), -99 dB (A-weighted)
• THD+N: <.002%, 0 dBFS @ 1 kHz, 22Hz‹22kHz bandwidth
• Digital to Analog Converter: 20-bit, Delta-Sigma
• Maximum Output Level: +18 dBu +/- 1.0 dB (+4 dBu output mode)
• Frequency Response: 20 Hz‹20 kHz +/- 1.0 dB

Miscellaneous Specifications

• Sample Rates: 44.1 kHz or 48 kHz, software selectable
• Front Panel status LEDs

Mechanical Format

• Height: 1.75" (4.45 cm)
• Width: 19.0" (48.26 cm)
• Depth: 10.5" (26.67 cm)
• Weight: 4.4 lbs. (2.4 kg)

Power Requirements

• Voltage: 85 to 264 VAC
• Frequency: 47 to 63 Hz, autoswitching
• Wattage: 5W typical, 30W max

Digidesign 1622 Audio Interface

• High-quality, low-priced I/O for instruments and effects gear
• 16 20-bit analog inputs and two 24-bit analog outputs
• 2 channels of 24-bit S/PDIF I/O
• Software-controllable gain on all inputs; outputs switchable between +4 dBu and –10 dBV
• Greater than 100 dB dynamic range (+4 dBu operating level)
• Support for balanced and unbalanced connections
• 1/4" TRS connectors
• Front-panel LEDs for input and output metering
• Multiple units provide up to 72 discrete inputs

A/D Specifications

• 20-bit A/D converters
• Dynamic Range: 99 dB (A-weighted) @ 22 Hz – 22 kHz bandwidth
• THD+N: < 0.004% @ 1 kHz, 1 dB, 20 Hz – 20 kHz
• Frequency Response: @ 1 kHz, 20 Hz – 20 kHz, +/- 0.5dB

D/A Specifications

• 24-bit D/A converters
• Dynamic Range: (DAC input level = 0 dBFS), 105 dB
• THD+N: (DAC input level 0 dBFS), 20 Hz – 20 kHz < 0.003%
• Frequency Response: @ 1 kHz, 20 Hz – 20 kHz, +/- 0.5 dB

Misc Specifications

• S/PDIF resolution: 24-bit
• Maximum input and output level (software controllable): +18 dBu

Digidesign MIX Core and Farm card

DSP card used in a Pro Tools|24 MIX system.

• DSP Processor: 56301 Motorola DSP Processor; XX MHz Clock Speed
• I/O Connector: 60-pin
• TDM Interface: Built in TDM connector; functions as TDM Master or Slave
• Peripheral Support: 888|24, 888 I/O, 882|20, 882 I/O; ADAT Bridge; 1622 I/O, Supports up to 24-bit audio data path
• Power Usage: 11 Watts Typical
• Physical Size: Full-size PCI Card