Avalon Acoustics Sentinel - Manual (Page 29)

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4.4 Connecting Subwoofer to the Sub Amplifier
1. Locate the lower speaker cabinet wiring harnesses: two single-conductor
wiring cables with the label "SUB". These harnesses are hard-wired directly to
the lower loudspeaker cabinet sub drivers, in order to provide the most
unobstructed signal path.
2. Connect the lower speaker cabinet wiring to the OUTPUT connectors on the
back of the sub amplifier.
3. Check to insure the correct polarity: The spade with the RED label connects
to the positive (+) terminal, and the spade with the WHITE label connects to
the negative (-) terminal.
IMPORTANT: Correct polarity of connections is critical to performance. Check
to insure that the RED labeled spade is connected to the positive (+) post and
the WHITE labeled spade is connected to the negative (-) post.
WARNING: Improper connection of drivers to crossover sections may
instantly destroy the drivers in question. Check all connections carefully
BEFORE power-up.