7 - Appendix

Technical Specifications

Specifications: 1820M 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:

RMS JITTER @ 44.1K (Measured via Audio Precision 2)

SMPTE

44.1kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz ADAT, S/PDIF (optical or coaxial)

Word Clock (sync card only) - (75 ohm termination, switchable)

SRSync SourceRMS jitter in picoseconds 44.1 kHz internal Crystal 596ps

44.1 kHz Optical Input

795ps

Converts to/from longitudinal time code (LTC) to MIDI time code (MTC)

Frame Rates

Modes

Input Level:

Output Level:

Input Impedance:

24, 25, 30 drop, 30 non-drop frames/second. Compatible with 29.97 fps timecode

Regeneration, stripe and conversion modes

0.5 - 4V p-p

+4 dBu, -10 dBV (software selectable)

10K ohm

E-MU Digital Audio System

105

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Creative 1212M, 1820M owner manual Frequency Response THD+N, Firewire, Internal Crystal Sync