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7
8
jacks for optional control via IR remote.
12.
Trigger Out
Four separate trigger outputs are provided to
control power of certain connected devices.
See "Triggers" on page 26 for configuration
information.
13.
Digital Inputs
Three digital coax and 3 TOSLINK optical digital
inputs are provided for connection of legacy
digital sources.
14.
Analog Input
Eight RCA inputs are provided and can be used
as 4 stereo pairs or 1 7.1 input. When connected
as a 7.1 input, the channel assignment is as
follows clockwise from top left: LF, CF, LS, LB,
RB, RS, SUB, RF.
15.
Downmix Output
A stereo pair of XLR outputs is provided as a
dedicated 2 channel downmix output. These
outputs produce a stereo downmix of whatever
audio is playing in the selected theater. To
configure, see "Parameters" on page 27.
Downmix may be enabled for select presets. See
"Presets" on page 28.
16.
Analog Output
Sixteen XLR analog audio outputs are provided
SP4 Immersive Surround Processor
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10
12
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17
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which are fully assignable to theaters or zones.
See instructions starting with "Building a
Theater - Defining Channels" on page 14.
Outputs may also be remapped. See "Output
Mapping" on page 19. Pin 2 hot.
17.
Optional Unbalanced Analog Out
An optional module is available to provide 16
RCA outputs for the purpose of making a clone
theater.
18.
Rear Panel Fan
From time to time, the SP4 may automatically
turn on the fan to draw cool air through the SP4
and out the back. Do not obstruct the fan or any
airflow vents on the chassis.
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