Description
The DiGiCo MOD-SDR-AES-B, AES/EBU I/O Card is a professional digital audio interface designed to expand the connectivity of compatible DiGiCo SD Series systems. It provides four stereo AES/EBU input channels and four stereo AES/EBU output channels, supporting a total of eight input and eight output channels. The card is designed for reliable digital audio transmission in professional live sound and installation environments. Its transformer-balanced AES connections provide robust signal integrity. The module integrates directly with compatible DiGiCo racks and processing systems.
AES/EBU Digital Connectivity
The card provides four AES/EBU stereo input channels for receiving digital audio from compatible equipment. It also provides four stereo AES/EBU output channels for sending digital audio to external processors, consoles, amplifiers, or recording systems. The interface complies with or exceeds AES3 and IEC-60958 Type I requirements. Transformer-balanced 110-ohm connections provide professional digital signal transmission. Optional 75-ohm unbalanced operation is available where appropriately specified.
Bi-Directional Sample Rate Conversion
Built-in sample rate conversion allows incoming and outgoing digital audio to operate at compatible sample rates. AES inputs support an input range from 32 kHz to 99 kHz when sample rate conversion is enabled. Sample rate conversion can be switched independently for each AES input. Outputs support operating rates of 44.1 kHz, 48 kHz, and 96 kHz. This flexibility allows the card to integrate digital equipment operating at different sample rates.
Audio Performance
The AES/EBU interface provides high-quality digital audio transmission with a frequency response of 20 Hz to 20 kHz at 0 dBFS. The interface supports 24-bit resolution when sample rate conversion is disabled. Professional transformer-balanced circuitry helps maintain signal integrity between connected digital devices. Output jitter is specified for reliable digital synchronization and transmission. The card is suited to professional live sound, broadcast, recording, installation, and system integration applications.
System Compatibility
The module is designed for use with the DiGiCo SD-Rack, SD-MiNi Rack, SD-Nano Rack, and 4REA4 systems. Its modular design allows it to integrate directly into compatible DiGiCo hardware. The card is also designed to be hot plugged, simplifying installation and system configuration. This makes it practical for professional systems that require flexible digital I/O expansion. Compatibility should be confirmed against the specific rack and module configuration before installation.
Professional Installation
The AES/EBU I/O Card is designed for demanding professional audio environments where reliable digital connectivity is required. Its transformer-balanced inputs and outputs provide robust electrical isolation and signal transmission. Multiple sample rate options make it suitable for integration with a wide range of digital audio equipment. The modular format keeps installation straightforward within compatible DiGiCo systems. It provides a practical solution for expanding AES/EBU connectivity without requiring an external interface.
Product Specifications:
Product Type: AES/EBU Digital Input/Output Card
Input Channels: 4 Stereo AES Inputs / 8 Channels
Output Channels: 4 Stereo AES Outputs / 8 Channels
Total Digital I/O: 8 Input Channels + 8 Output Channels
Interface Standard: AES3 / IEC-60958 Type I
Sample Rate Conversion: Bi-Directional
AES Input Sample Rate Range: 32 kHz–99 kHz with SRC Enabled
Input Sample Rates: 44.1 kHz, 48 kHz, 96 kHz
Output Sample Rates: 44.1 kHz, 48 kHz, 96 kHz
Input Impedance: 110 Ohm Transformer Balanced ±5%
Optional Input Impedance: 75 Ohm Unbalanced ±5%
Output Impedance: 110 Ohm Transformer Balanced ±5%
Optional Output Impedance: 75 Ohm Unbalanced ±5%
Frequency Response: 20 Hz–20 kHz @ 0 dBFS
Resolution: 24-Bit with SRC Off
Input SRC: Switchable Per AES Input
Output SRC: Switchable Per AES Output on Appropriately Specified Modules
Output Jitter: 120 to 100K Peak 3 ns Average; 50–100K Peak 5 ns Average
Compatibility: DiGiCo SD-Rack, SD-MiNi Rack, SD-Nano Rack, 4REA4
Installation: Hot-Pluggable
Product Weight: 1.5 lbs.
Product Dimensions (L x W x H): 8.0 x 4 x 1.5 in.