DigiDesign 1622 1 Installation Manual - Page 13

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Technical Speciﬁcations

Analog Inputs/Outputs:

Balanced 1/4" TRS phone jacks; inputs

with software-controllable input gain;

outputs switchable between +4 dBu and

–10 dBV line levels

Digital I/O S/PDIF:

2 channel; coaxial RCA connectors

Sample Rate:

44.1 kHz or 48 kHz, ±20ppm

Clock Reference:

Super Clock (256x) sample clock In/Out;

BNC connectors; additional clock refer-

ences supported via Digidesign's Universal

Slave Driver, Video Slave Driver, SMPTE

Slave Driver, and other optional 256x syn-

chronizers

Nominal Headroom:

14 dB

A/D Speciﬁcations

20-bit A/D converters, Delta-Sigma

Dynamic Range:

≥ 98 dB (balanced, 22 Hz–22 kHz)

Input Voltage Reference = +18 dBu

Input Gain Setting = minimum

≥ 97 dB (balanced, 22 Hz–22 kHz)

Input Voltage Reference = +4 dBV

Input Gain Setting = maximum

THD+N:

0.004%; Input Voltage Ref. = +17 dBu,

20 Hz–20 kHz

Maximum Input Level

(+4 dBu gain position):

+18 dBu/ channel or 6.15V (RMS)

Frequency Response:

±0.2 dB, 20 Hz–20 kHz

Technical Speciﬁcations 9