Compatibility

Host audio systems compatible with HD I/O Pro Tools HD Series Interface

All configurations of HD I/O work with the following host audio systems:

  • Avid-qualified Pro Tools|HD family system running Pro Tools HD 8.1 or higher software
  • Avid-qualified Pro Tools|HD family system running a Core Audio or ASIO compliant application

Specifications

  HD I/O - 16x16 Analog HD I/O - 8x8x8 HD I/O - 16x16 Digital
Analog inputs 16 8 0
Analog outputs 16 8 0
AES/EBU I/O 2 8 + 2 16 + 2
AES single-wire (192 kHz) Yes Yes Yes
S/PDIF I/O 1 In + 1 Out (coax or optical) 1 In + 1 Out (coax or optical) 1 In + 1 Out (coax or optical)
ADAT I/O 8 8 + 8 16 + 8
S/MUX S/MUX II and IV S/MUX II and IV S/MUX II and IV
SRC N/A 8 channels (digital card) 16 channels (digital cards)
Word Clock I/O 1 In + 1 Out 1 In + 1 Out 1 In + 1 Out
Loop Sync I/O 1 In + 1 Out 1 In + 1 Out 1 In + 1 Out
Digital interface DigiLink Mini DigiLink Mini DigiLink Mini
Dynamic range ADC 122 dB 122 dB N/A
Dynamic range DAC 125 dB 125 dB N/A
THD+N ADC -114 dB (0.0002%) -114 dB (0.0002%) N/A
THD+N DAC -110 dB (0.00032%) -110 dB (0.00032%) N/A
Frequency response ADC 20 Hz – 20 kHz N/A
(+/-.03 dB)
20 Hz – 20 kHz N/A
(+/-.03 dB)
N/A
Frequency response DAC 20 Hz – 20 kHz N/A
(+/-.15 dB)
20 Hz – 20 kHz N/A
(+/-.15 dB)
N/A
Expansion None (card swaps only) 1 empty bay 2 empty bays
Curv Yes Yes N/A
Soft clip Yes Yes N/A
Cal trims Yes Yes N/A
Metering 32 4-segment LEDs 32 4-segment LEDs 32 4-segment LEDs
Internal fan Yes Yes N/A
Chassis 2U rack-mountable 2U rack-mountable 2U rack-mountable