Creative 1820M, 1212M owner manual

7 - Appendix

Technical Specifications

Specifications: 1820 System

GENERAL

Sample Rates

Bit Depth

Hardware DSP

Converters & OpAmps

AudioDock Power Use

44.1kHz. 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz from internal crystal. Externally supplied clock from S/PDIF, ADAT (or word clock with optional Sync Card)

16 or 24-bits

100MIPs custom audio DSP.

PCI Bus-Mastering DMA subsystem reduces CPU usage. Zero-latency direct hardware monitoring with effects 1394 Firewire Core - Texas Instruments

ADC - PCM1804 (TI/Burr-Brown)

DAC - CS4392 (Cirrus Logic)

OpAmp - NJM2068M (JRC)

1.1A @ +12V 13W.

ANALOG LINE INPUTS

Type

Level (software selectable)

Frequency Response THD + N

SNR

Dynamic Range

Channel Crosstalk

Common-mode Rejection

Input Impedance

Servo-balanced, DC-coupled, low-noise input circuitry

Professional: +4 dBu nominal, 20 dBu maximum (balanced)

Consumer: -10 dBV nominal, 6 dBV maximum (unbalanced)

+0.0/-0.2 dB, 20 Hz - 20 kHz

-102 dB (.0008%) 1kHz at -1 dBFS

111 dB (A-weighted)

111 dB (A-weighted)

<-115 dB, (1 kHz signal at -1 dBFS) > 40 dB at 60Hz

10K ohm

ANALOG LINE OUTPUTS

Type

Level (software selectable)

Frequency Response THD + N

SNR

Dynamic Range

Stereo Crosstalk

Output Impedance

Balanced, low-noise, 2-pole low-pass differential filter

Professional: +4dBu nominal, 20dBu (balanced)

Consumer: -10dBV nominal, 6dBV maximum (unbalanced)

+0.0/-0.8 dB, 20 Hz - 20 kHz

-98 dB (.0006%) 1kHz signal at -1dBFS

112 dB (A-weighted)

112 dB (A-weighted)

<-120 dB, 1kHz 560 ohms

106 Creative Professional