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Technical Specifications<br />
GENERAL<br />
Sample Rates<br />
Bit Depth<br />
Hardware DSP<br />
ANALOG LINE INPUTS<br />
Type<br />
Level<br />
Frequency Response<br />
44.1 kHz. 48 kHz, 96 kHz derived from internal crystals<br />
(no sample rate conversion is performed)<br />
Externally supplied clock from S/PDIF.<br />
(or word clock with optional Sync Card)<br />
16-bit or 24-bit (depending on the setting of your recording or<br />
audio application)<br />
100MIPs custom audio DSP.<br />
DSP - 32-bit integer math with a 67-bit accumulator<br />
PCI Bus-Mastering DMA subsystem reduces CPU usage.<br />
Zero-latency direct hardware monitoring with effects<br />
Unbalanced, low-noise input circuitry<br />
Consumer: -10 dBV nominal, 6.4 dBV maximum<br />
20 Hz - 20 kHz: +0.20/-0.10 dB<br />
THD + N -100 dB (.001%) 1kHz at -1 dBFS<br />
SNR<br />
Dynamic Range<br />
Channel Crosstalk<br />
Input Impedance<br />
ANALOG LINE OUTPUTS<br />
Type<br />
Level<br />
Frequency Response<br />
THD + N<br />
SNR<br />
Dynamic Range<br />
Stereo Crosstalk<br />
Output Impedance<br />
DIGITAL I/O<br />
S/PDIF<br />
MIDI<br />
111 dB (A-weighted 22kHz BW)<br />
111 dB (1kHz, A-weighted, 22kHz BW)<br />
< -120 dB, (1 kHz signal at -1 dBFS)<br />
3.3K ohm<br />
Unbalanced, low-noise circuitry<br />
Consumer: -10dBV nominal, 6.4dBV maximum<br />
+0.05/-0.10 dB, (20 Hz - 20 kHz)<br />
-100 dB (.001%) 1kHz signal at -1dBFS<br />
116 dB (A-weighted, 22 kHz BW)<br />
116 dB (1 kHz, A-weighted, 22 kHz BW)<br />
< -109 dB, (1 kHz signal at -1 dBFS)<br />
560 ohms<br />
• 2 in/2 out coaxial (transformer coupled output)<br />
• 2 in/2 out optical<br />
• AES/EBU or S/PDIF (switchable under software control)<br />
1 in, 1 out (16 MIDI channels)<br />
7 - Appendix<br />
Technical Specifications<br />
E-MU Digital Audio System 77
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