[. . . ] AI-1/AO-1 Eight Channel Analog Audio Input and Output Cards Key Features: · · 118 dB for AO-1, 117 dB for AI-1 Dynamic Range -- for Best Audio Performance Balanced Inputs and Outputs -- High Common Mode Rejection Prevents Long Cables from Picking Up Interference Automatic Configuration -- Indication (Message) of Installation and Removal of Modules via IRIS Software · General Description: The AO-1 and AI-1 are eight-channel analog audio modules for the NetMax N8000 System Controller. [. . . ] Load Impedance D/A Conversion Frequency Response Signal to Noise Ratio (A-Weighted) THD+N Sample Rate Data Format Signal Delay Operating Temperature Range Dimensions (W x H x D) Weight 100 Ohms 600 Ohms 24 Bit, Sigma-Delta, 128 times oversampling 20 Hz - 20 kHz (-0. 5 dB) 118 dB typical < 0. 005% 48 kHz 24 Bit linear D/A conversion, 48 Bit processing 646 µs 0 °C . . . 40 °C 114mm x 33mm x 258. 5mm 4. 49" x 1. 30" x 10. 18" 260 g (0. 57 lb) Block Diagram (AI-1): + IN 1 MCLK Dimension Drawings: Slot Connector +18V ANALOG SUPPLY A + IN 5 - D -18V +5V DIGITAL SUPPLY +3. 3V + IN 2 - A D BCLK WCLK MCLK CLOCK DIVIDER WCLK IN 6 IN 3 A D Rear View DSP 8 CH. DATA 4 SPI RES SERIAL AUDIO DATA IN 7 IN 4 A + MODULE TYPE SERIAL DATA SELECT D SLOT ID ADC CONTROL IN 8 - Block Diagram (AO-1): Slot Connector MCLK + OUT 1 +18V ANALOG SUPPLY -18V +5V DIGITAL SUPPLY +3. 3V D A + OUT 5 + MCLK WCLK CLOCK DIVIDER BCLK WCLK OUT 2 D A OUT 6 SPI RES 4 DSP 8 CH. DATA D A OUT 3 OUT 7 SERIAL AUDIO DATA SERIAL DATA SELECT MODULE TYPE D A + - OUT 4 Top View All Dimensions in Millimeters Side View SLOT ID OUT 8 8 CH. [. . . ] For customer orders, contact Customer Service at: + 1 952 884-4051 Fax: + 1 952 736-4212 For warranty repair or service information, contact the Service Repair department at: 800/685-2606 For technical assistance, contact Technical Support at: 866/78AUDIO Specifications subject to change without notice. 12000 Portland Avenue South, Burnsville, MN 55337 Phone: 952/884-4051, Fax: 952/884-0043 www. electrovoice. com © Telex Communications, Inc. [. . . ]