DigiDesign 882/20 설치 매뉴얼 - 페이지 13

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appendix a

Technical Speciﬁcations

General

Analog Inputs/Outputs:

Balanced/unbalanced 1/4" TRS jacks,

software switchable between +4 dBu and

–10 dBV line levels

Digital I/O S/PDIF:

2 channels; coaxial RCA connectors

Sample Rate:

44.1 kHz or 48 kHz, ±10ppm

Clock Reference:

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

BNC connectors; additional clock refer-

ences supported via Digidesign's Universal

Slave Driver, SMPTE Slave Driver, Video

Slave Driver and other optional synchro-

nizers

Nominal Operating Level:

+4dBu; factory calibrated at 14dB

headroom

A/D Speciﬁcations

20-bit A/D converters, Delta-Sigma

SNR (signal-to-noise ratio):

≥103dB (balanced, A-weighted)

≥100dB (unweighted)

@22Hz–22kHz

THD:

0.003% @ –1dB, 1kHz; 22 Hz–22 kHz

Maximum Input (in +4dBu mode):

+18 dBu/channel or 6.15V (RMS)

Frequency Response:

22Hz–22kHz, ±0.5dB

Appendix A: Technical Speciﬁcations 9