6
Headphones
A headphone socket is provided on all units apart from the Alpha-Link LIVE. This connector is a standard 0.25"
headphone jack socket and provides a stereo signal derived from analogue output channels 23 (Left) and 24 (Right).
The headphone signal level is fixed and can only be controlled in the digital domain by a suitable controller such
as the SSL Mixer software via an SSL (or Soundscape) Mixpander card.
Routing Matrix Control
Every Alpha-Link contains a routing matrix which enables
routing of groups of signals between the inputs and outputs.
This routing matrix is controlled using two buttons – one for
INPUT, one for OUTPUT – along with a set of indicator LEDs
to show the routing setup. Using these two buttons, any input
group (ADAT or AES/EBU, Analogue, Expansion Bus or MADI)
can be connected to any output group.
If the Alpha-Link is connected to a Mixpander card via the Expansion Bus port it can
then act as multi-channel bi-directional format converter between the inputs and
outputs and the Expansion Bus. All routing in this case is determined by the SSL
Mixer software and the front panel routing matrix control is deactivated.
However the input and output signals are routed in the Alpha-Link, all routing is
performed to full 24-bit precision. There are no mixing functions in Alpha-Link so
whilst it is possible to use the routing matrix to route any single input to multiple
outputs, it is not possible for a single output to be fed from more than one input (selecting a second source for an
output will cause the second source to
replace
the original).
Input Button
and Indicators
Output Button
and Indicators
AES/EBU (or ADAT)
Analogue
Expansion Port
MADI
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