Description
The DiGiCo MOD-SDR-DAC32B is an eight-channel 32-bit output card designed specifically for the DiGiCo SD-Rack. It uses advanced DAC technology based on DiGiCo's Stadius design philosophy to provide highly accurate digital-to-analogue conversion. The card is engineered for professional applications where clarity, detail, and low distortion are essential. Its 32-bit architecture helps preserve the integrity of high-resolution digital audio throughout the conversion process. Each of the eight output channels is designed to deliver consistent and transparent performance. This makes the MOD-SDR-DAC32B an ideal solution for demanding live sound, broadcast, touring, and installation systems.
Ultimate Stadius DAC Design
The MOD-SDR-DAC32B incorporates DiGiCo's refined Stadius DAC technology with the latest generation of digital-to-analogue converters. A newly designed fully differential analogue output stage helps provide accurate and transparent audio reproduction. Carefully selected components and optimized analogue circuitry contribute to the card's exceptional audio performance. The design focuses on preserving transient detail, depth, and clarity across the entire signal path. Its architecture is optimized for demanding professional sound reinforcement applications.
Exceptional Dynamic Range
With a dynamic range of up to 122 dBA, the MOD-SDR-DAC32B is designed to reproduce both subtle details and powerful transients with impressive clarity. Its extremely low noise performance helps maintain a clean output signal in critical listening environments. The card achieves <0.0008% THD+N at 0 dBFS, minimizing unwanted distortion during high-level signal reproduction. This performance allows engineers to work with detailed audio sources while maintaining excellent sonic integrity. The wide dynamic range is particularly useful for live production, broadcast, and high-quality monitoring applications.
Fast Low-Latency Conversion
The card features a rapid 104 μs conversion time, supporting responsive operation in professional audio systems. Its low-latency architecture helps minimize the delay introduced by the conversion stage. At 96 kHz, the DAC contributes to an overall rack I/O analogue-to-analogue latency of approximately 0.89 ms. This makes the card well suited to applications where precise timing and immediate response are important. Fast conversion is particularly valuable in live sound environments with complex monitoring and routing requirements.
Advanced Analogue Output Stage
The MOD-SDR-DAC32B uses a fully differential analogue output stage engineered for high-quality signal reproduction. Dedicated ultra-low-noise linear power supplies provide clean power to the sensitive analogue circuitry. High-performance operational amplifiers are used to maximize the performance of each output channel. The analogue stage is fully shielded to help reduce unwanted interference and maintain signal purity.
Product Specifications:
Product Type: 8-Channel 32-Bit DAC Output Card
DAC Architecture: 32-Bit Digital-to-Analogue Conversion
Number of Channels: 8
Maximum Output Level: 24 dBu
Conversion Time: 104 µs
Latency @ 96 kHz (Rack I/O A-A): 0.89 ms
THD+N @ 0 dBFS, 1 kHz: 0.0008% (-102 dB)
Dynamic Range D-A: 120 dBu
Average Noise D-A (20 kHz AES17): -98 dBu
A-A Frequency Response: 20 Hz–20 kHz, ±0.15 dB
Frequency Response: 20 Hz–44.5 kHz, ±0.15 dB
Crosstalk: -120 dB
Nominal Line Impedance: 600 Ω
Output Impedance: 50 Ω
Noise: -100 dBA
THD+N @ 0 dBFS: <0.0008% from 20 Hz–22 kHz
Analogue Output Stage: Fully differential
Power Supply: Dedicated ultra-low-noise linear analogue power supplies
Operational Amplifiers: Maximized-performance operational amplifiers
Blocking Capacitors: MUSE acoustic-series capacitors
Capacitor Damping: Designed to minimize unwanted vibration pickup
Analogue Stage: Fully shielded
Output Connectors: Metal XLR connectors
Grounding: Continuous circumferential ground contact
Application: Professional live sound and high-performance audio systems
Product Weight: 2.03 lbs.
Product Dimensions (L x W x H): 11.20" x 1.20" x 11.61"