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7 - Appendix
Technical Specifications
E-MU 1820M/1820/1212M PCI Digital Audio System
133
Specifications: 1212 System
GENERAL
Sample Rates
44.1 kHz. 48 kHz, 88.2 kHz, 96 kHz, 176.4kHz, 192 kHz from
internal crystal. Externally supplied clock from S/PDIF, ADAT
(or word clock with optional Sync Card)
Bit Depth
16 or 24-bits
Hardware DSP
100MIPs custom audio DSP.
PCI Bus-Mastering DMA subsystem reduces CPU usage.
Zero-latency direct hardware monitoring with effects
1394 Firewire Core - Texas Instruments
Converters & OpAmps
ADC - AK5394 (AKM)
DAC - CS4398 (Cirrus Logic)
OpAmp - NJM2068M (JRC)
WDM Drivers
8 channels — operational at 44.1kHz, 48kHz, 88.2kHz,
96kHz, 176.4kHz & 192kHz
AudioDockM Power Use
1.25A @ +12V 15W.
ANALOG LINE INPUTS
Type
Servo-balanced, DC-coupled, low-noise input circuitry
Level
(software selectable)
Professional: +4 dBu nominal, 20 dBu maximum (balanced)
Consumer: -10 dBV nominal, 6 dBV maximum (unbalanced)
Frequency Response
+/- .05dB, 20 Hz - 20 kHz
THD + N
-110 dB (.0003%) 1kHz at -1 dBFS
SNR
120 dB (A-weighted)
Dynamic Range
120 dB (A-weighted)
Channel Crosstalk
< -115 dB, (1 kHz signal at -1 dBFS)
Common-mode Rejection
> 40 dB at 60Hz
Input Impedance
10K ohm
ANALOG LINE OUTPUTS
Type
Balanced, low-noise, 2-pole low-pass differential filter
Level
(software selectable)
Professional: +4dBu nominal, 20dBu (balanced)
Consumer: -10dBV nominal, 6dBV maximum (unbalanced)
Frequency Response
+0.0/-0.35 dB, 20 Hz - 20 kHz
THD + N
-105 dB (.0006%) 1kHz signal at -1dBFS
SNR
120 dB (A-weighted)
Dynamic Range
120 dB (A-weighted)
Stereo Crosstalk
< -120 dB, 1kHz
Output Impedance
560 ohms
Содержание 1212M
Страница 1: ...1820 1820 Owner s Manual Owner s Manual ...
Страница 8: ...8 E MU 1820M 1820 1212M PCI Digital Audio System ...
Страница 54: ...4 The PatchMix DSP Mixer Main Section 54 Creative Professional ...
Страница 110: ...5 Effects E MU E Wire VST 110 Creative Professional ...
Страница 116: ...6 Using High Sample Rates Overview 116 Creative Professional ...
Страница 138: ...7 Appendix Internet References 138 Creative Professional ...