FORMAT

• Dimensions
• L: 168 mm x H: 69 mm x l: 20 mm L: 6.6 inch; H: 2.7 inch; l: 0.8 inch
• Form Factor
• Low profile (standard and low profile brackets included)
• Expansion Bus
• PCI Express TM (PCIe TM) x1 (x2, x4, x8, x16 compatible)

DRIVERS

• Supported OS
• Windows (from Windows 10 and Server 2016) Linux (from Linux Kernel 4.9)
• Drivers
• Windows: Asio, Wasapi/DirectSound Linux: Alsa, Libgpiod
• One Driver Package
• Multi-application and multi-card API available

CONTROL PANEL

• Digigram ALP-X ASIO Settings (On Windows)
• Asio Control Panel: up to 8 ALP-X cards (intercard synchronization)
• Select I/Os used through Asio (others can be used through Wasapi)
• Digigram ALP-X Manager (On Windows)
• A unique control panel for the whole ALP-X range
• Manages up to 8 ALP-X cards
• 2 working modes
• Light: Set the card as 2 I/O channels (like stereo VX / PCX cards)
• Full: Set the card as 4 I/O channels (analog and AES3)
• Main functions
• Zero latency FPGA-based mixer
• Adjustment of input and output levels
• Mixing before monitoring and recording
• Clock & sync selection
• GPIO status

HARDWARE SPECIFICATIONS

• INPUTS
• Analog
• 2 Balanced Mic / line level inputs
• A/D Converter: 24 bits / 192 kHz
• Line level
• Maximum input level/impedance: +24 dBu / >10 kΩ
• Adjustable analog gain: from -88 dB to +39 dB, in 0.5 dB steps
• Adjustable digital gain: from -90 dB to +12 dB in 0.1 dB steps
• Mic level
• Maximum input level/impedance: +10 dBu / >10 kΩ
• Adjustable analog gain: from -0dB to +65 dB, in 0.5 dB steps
• Maximum sensitivity: 0 dBfs for a -55 dBu input signal
• Switchable 48 V phantom power on each input
• Equivalent Input Noise: <-124 dB @ Gain 65 dB (48kHz)
• Digital
• 1 stereo AES3 input
• Adjustable digital gain: from -90 dB to +12 dB, in 0.1 dB steps
• Sample rate (kHz): 32, 44.1, 48, 64, 88.2, 96, 128, 176.4, 192
• Hardware Sample Rate Converter frequency ratio:
• from 1:8 to 7,5:1
• Others
• 1 AES11 synchronization input
• 1 Word Clock synchronization input
• 2 dry contact GPIs
• OUTPUTS
• Analog
• 2 servo-balanced line outputs
• D/A Converter: 24 bits / 192 kHz
• Max level / Impedance: +24 dBu / <100 Ohms
• Adjustable digital gain: from -90 dB to +12 dB, in 0.1 dB steps
• 1 stereo headphone output (20 mW for 600 Ω)
• Digital
• 1 stereo AES3 output
• Adjustable output gain: from -90 dB to +12 dB, in 0.1 dB steps
• Sample rate (kHz): 32, 44.1, 48, 64, 88.2, 96, 128, 176.4, 192
• Other
• 2 relay GPOs (0.5 A, 48 VCC)
• 1 Word Clock output

ANALOG AUDIO PERFORMANCES

• Frequency response @48 kHz: 20 Hz – 20 kHz
• Inputs : +/- 0.5 dB
• Outputs : +/- 0.08 dB
• SNR
• Inputs
• A-Weighted: >110 dBA
• Unweighted: >108 dB
• Outputs
• A-Weighted: >115 dBA
• Unweighted: >112 dB
• THD + Noise
• Inputs: <-96 dB @18 dBu (1 kHz)
• Outputs: <-101 dB @18 dBu (1 kHz)
• Crosstalk
• Inputs -111 dB @1 kHz / -110 dB @15 kHz
• Outputs -130 dB @1 kHz / -111 dB @15 kHz
• Channel phase
• Inputs: < 0.01° @1 kHz
• Outputs: < -7.5° @ 1kHz

SAMPLE FORMAT

PCM (8, 16, 24, 32 and 32 float bits), Float IEEE754

CABLE & CONNECTORS SPECIFICATIONS

• Breakout cable
• Total breakout cable length: 1 m
• XLRs for audio I/Os and AES11 input
• BNC for Word Clock I/O
• DB9 for GPIO
• Inter board synchronization
• Headphones: 3.5 mm TRS female jack

SYNCHRONIZATION SOURCES

• Internal clock (kHz) 11.025, 16, 22.05, 24, 32, 44.1, 48, 64, 88.2, 96, 128, 176.4, 192
• AES11 (kHz) 32, 44.1, 48, 64, 88.2, 96, 128, 176.4, 192
• Word Clock input (kHz) 32, 44.1, 48, 64, 88.2, 96, 128, 176.4, 192
• Intercard clock* (possibility to connect up to 8 ALP-X cards linked with an inter-board sync cable)