The Avid Pro Tools | MTRX 8 Pristine DA Card is an expansion card for the Avid Pro Tools | MTRX audio interface that adds eight channels of high-quality analog line-level outputs. It features DAD converters for pristine audio clarity, uses 25-pin D-sub connectors for its outputs, and allows for individual channel volume control via the DADman software. This card is designed for demanding audio applications in music and post-production that require maximum output quality.
Avid Pro Tools | MTRX 8 Pristine DA Card
8 channels of analog output
- Provides eight line-level analog outputs to connect to monitors or other analog gear.
Pristine conversion
- Uses high-quality DAD converters for transparent and detailed sound.
DADman software control
- Allows for control of individual channel volume levels and saving/programming settings.
25-pin D-sub connectors
- Utilizes standard D-sub connectors for its analog outputs.
Modular expansion
- Fits into the modular MTRX chassis to expand the system's capabilities, supporting a mix of analog and digital I/O cards.
High sample rates and dynamics
- Supports high sample rates and has excellent dynamic range and low THD+N, ensuring pristine audio quality at up to 384 kHz
Analog outputs
- 8 line-level outputs via a single 25-pin D-sub connector.
Modulator resolution and format
- 32x oversampling, 1-bit DSD, and 24-bit PCM.
Dynamic range
- >128 dBA.
Total Harmonic Distortion + Noise (THD+N)
- < -110 dBA @ -3dBFS.
Crosstalk
- < -120 dBA.
Maximum output level
- Adjustable from -60 dBu to 24 dBu in 0.1 dB increments via the DADman software.
Supported sample rates
- The card's advanced converters support a wide range of sample rates for both Pulse Code Modulation (PCM) and Direct Stream Digital (DSD) formats.
PCM (DXD):
- 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
- 174.4 kHz, 192 kHz
- 352.8 kHz, 384 kHz
DSD
- 2.8224 MHz (64 fs)
- 5.6448 MHz (128 fs)

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