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THE S2 OUTPUT MODULE (17)
The S2 output module offers dual Speakon
®
Quick
Connectors and a unique patching capability to wire
these connectors to meet the particular application.
The Speakon
®
is a four-wire connector with the con-
nections labeled as 1+, 1-, 2+ and 2-. Depending
upon the loudspeaker needs, these connections can
be used in various ways. NOTE: Consult your loud-
speaker specifications to determine the wiring config-
uration (mode) that will best suit your system.
THE S2 OUTPUT MODULE REAR VIEW — STANDARD STEREO MODE 9 Option 1 (18)
This Speakon
®
wiring arrangement shown below is
as follows: 1+ as the channel signal output and 1-
as the channel chassis ground. This is the de facto
standard for most low-to-medium power loudspeak-
er systems. This wiring allows one enclosure to be
connected to Channel A and one enclosure to be
connected to Channel B. The 2+ and 2- connections
are not used in this application. Please notice that
the binding posts on the S2 module also use the 1+
and 1- wiring arrangement. The Channel A red and
black binding posts are always connected to the
Channel A Speakon
®
1+ and 1- respectively.
Similarly, the Channel B red and black binding posts
are always connected to the Channel B Speakon
®
1+ and 1- respectively. WARNING: The S2 module
is shipped with four jumpers plugged in a “storage” configuration across the normally unused 2+ and 2- Speakon
®
pins. These jumpers
are used in other modes of operation following. This “storage” configuration could cause a shorting problem if a particular loudspeaker
system’s Speakon
®
connectors are wired in the high current configuration outlined next (1+ and 2+ are connected and 1- and 2- are
connected). In this case, we recommend that you remove the jumpers.
THE S2 OUTPUT MODULE REAR VIEW — HIGH CURRENT STEREO MODE Option 2 (19)
Many high power loudspeaker systems use the full capability
of the Speakon
®
connector by paralleling 1+ and 2+, and
paralleling 1- and 2-. This wiring improves the current
handling capability of the system and reduces losses. Many
subs with Speakons are wired this way. The S2 module can
be rewired to this configuration using the supplied jumpers
on the rear of the module. Normally, four jumpers are
plugged into a “storage” configuration to prevent losing
them. In this case, one jumper is connected between 1+
and 2+ and another jumper is connected between 1- and
2- for each channel. This is a total of four jumpers. The
following diagram shows the new wiring of the jumpers.
Notice that for this mode the binding post can still be used
as normal outputs for both channels.
17
18
18
7