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User Manual for ALP442e & ALP442e-MIC
3 BOX CONTENTS
Thank you for purchasing a DIGIGRAM sound card in the ALP-X range.
The box contains:
The ALP442e, or ALP442e-MIC, or ALP882e, or ALP882e-MIC sound card equipped with a low-
●
profile bracket (79.2 mm),
a standard height bracket (full height: 120 mm) that can be fitted instead of the low profile
●
one.
The two breakout cables that bear the XLR and BNC connectors are available as an option. One cable
supports the analog I/Os, the other one supports the digital I/Os and clocks.
Please contact your card supplier to acquire the Digigram-certified cables.
4 GENERAL CHARACTERISTICS
ALP442e, ALP442e-MIC, ALP882e and ALP882e-MIC are PCI EXPRESS
inserted into and therefore operate in PCIe® x1, x4, x8 or x16 slots.
4.1 Main hardware characteristics
4 (ALP442e/ALP442e-MIC) or 8 (ALP882e/ALP882e-MIC) balanced analog inputs with:
●
-
software-adjustable
- switchable 48V phantom power on each input (ALP442e-MIC and ALP882e-MIC)
These inputs can be used in unbalanced mode ("-" signal to be connected to the ground).
8 electronically balanced analog outputs, with a maximum output level of +24 dBu.
●
(Electronically balanced outputs can process either balanced or unbalanced lines without loss
of level).
2 (ALP442e/ALP442e-MIC) or 4 (ALP882e/ALP882e-MIC) stereo digital AES3 inputs, 32 kHz to
●
192 kHz, each with a high quality hardware sample rate converter (SRC).
2 (ALP442e/ALP442e-MIC) or 4 (ALP882e/ALP882e-MIC) AES3 stereo digital AES3 outputs (up
●
to 192 kHz)
1 AES11 synchronisation input (up to 192 kHz)
●
1 word clock input/output (up to 192 kHz)
●
8 GPI dry contacts and 8 GPO relays
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Inter-card synchronisation
●
4.2 Main software characteristics
Low
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- Wasapi/DirectSound and ASIO application programming interfaces under Windows
- Alsa and libgpio for Linux
ALP442e
/
ALP442e-MIC:
●
ALP882e / ALP882e-MIC: 16 playback channels / 16 recording channels
Simultaneous acquisition and playback in PCM (8, 16 and 24 bit)
●
On-board mixing of physical audio inputs and software "playback" devices to physical audio
●
ALP882e & ALP882e-MIC
,
analog
gain
and
a
latency
8
playback
x1 sound cards. They can be
TM
maximum
input
level
multi-card
channels
/
8
recording
of
+24
dBu.
drivers
channels
7
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