7 - Appendix

Technical Specifications

Specifications: 1820 System

TURNTABLE INPUT

Frequency Response: THD+N:

SNR:

Stereo Crosstalk: Maximum Level:

Input Capacitance: Input Impedance:

RIAA equalized phono input

+/-0.5 dB, 50 Hz - 20 kHz

-76 dB (.015%) (1 kHz, 10 mV RMS unbalanced input)

90 dB (1kHz, 10 mV RMS unbalanced input)

< -80 dB (1kHz at -1 dBFS)

Professional: 80 mV RMS

Consumer: 20 mV RMS

220pF

47K ohm

DIGITAL I/O

S/PDIF

• 2 in/2 out coaxial (transformer coupled)

 

• 2 in/3 out optical (software switchable with ADAT)

 

• AES/EBU or S/PDIF (switchable under software control)

ADAT

• 8 channels, 24-bit @ 44.1/48 kHz

 

• 4 channels, 24-bit @ 96 kHz

 

• 2 channels, 24-bit @ 192 kHz

Firewire

400 IEEE 1394a port (6-pin)

 

Compatible with DV cameras or HDs

MIDI

2 MIDI in, 2 MIDI out

SYNCHRONIZATION

Internal Crystal Sync:

44.1kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz

 

ADAT, S/PDIF (optical or coaxial)

RMS JITTER @ 44.1K

SRSync SourceRMS jitter in picoseconds

(Measured via Audio Precision 2)

44.1kHz Internal Crystal

596ps

 

44.1 kHz Optical Input

795ps

108

Creative Professional

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Image 108
Creative 1212M, 1820M owner manual RMS Jitter @ 44.1K