Mackie SWA2801z Owner's Manual - Page 6

Connections, Placement - active subwoofer

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CONNECTIONS The SWA2801z has two female XLR inputs that accept a balanced line-level signal. When connecting a balanced signal, be sure it's wired per AES (Audio Engineering Society) standards: XLR Hot (+) Pin 2 Cold (-) Pin 3 Shield (Ground) Pin 1 The THRU output connectors allow you to connect more than one SWA2801z to your system. Simply plug the signal source (i.e., mixer output) into the first speaker's FULL RANGE INPUT jacks, and patch that speaker's THRU jacks to the next speaker's INPUT jacks, and so on, daisy-chaining multiple speakers. The THRU jack is wired straight from the FULL RANGE INPUT connector - there is no electronic circuitry between - so the signal coming out of the THRU jack is exactly the same as the signal going in. The HIGH PASS OUTPUT jacks provide a line-level signal of the frequencies above 120Hz that you connect to a pair of active speakers (or to a stereo amplifier powering a pair of passive speakers). Balanced XLR Connectors If connecting an unbalanced signal to the SWA2801z balanced input, be sure that the signal high (hot) connection is wired to Pin 2 and the unbalanced ground connection is wired to the low and the ground connections of the balanced input (Pins 3 and 1). If there are ground-loop problems, try connecting the unbalanced ground connection only to the input low connection (Pin 3), and leaving the input ground connection disconnected. There are also two male XLR connectors labeled THRU (FULL RANGE OUTPUT) and two labeled HIGH PASS (MID/HIGH FREQ) OUTPUT. These are also wired according to the AES standard. PLACEMENT The SWA2801z subwoofer is designed to sit on the floor, either upright or on its side. (Feet are provided on the bottom and on one side.) A socket is provided on the top and one side of the SWA2801z for mounting the Mackie SA1521z or SRM450 active speakers. Use the optional Mackie speaker mounting pole (SPM100) to mount them on the SWA2801z (see Hookup Diagram on page 5). As with any powered components, protect the SWA2801z from exposure to moisture. If you are setting them up outdoors, make sure they are under cover if you expect rain. Unbalanced Male XLR Connector WARNING: The cabinet has no rigging points and is not suitable for rigging. NEVER attempt to suspend the SWA2801z by its handles. 

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6
CONNECTIONS
The SWA±801z has two female XLR inputs
that accept a balanced line-level signal. When
connecting a balanced signal, be sure
it’s
wired per AES (Audio Engineering Society)
standards:
XLR
Hot (+)
Pin ±
Cold (–)
Pin ²
Shield (Ground)
Pin 1
Balanced XLR Connectors
If connecting an unbalanced signal to the
SWA±801z balanced input, be sure that the
signal high (hot) connection is wired to Pin
± and the unbalanced ground connection
is wired to the low
and
the ground connec-
tions of the balanced input (Pins ² and 1).
If there are ground-loop problems, try con-
necting the unbalanced ground connection
only to the input low connection (Pin ²),
and leaving the input ground connection
disconnected.
There are also two male XLR connectors
labeled
THRU (FULL RANGE OUTPUT)
and
two labeled
HIGH PASS (MID/HIGH FREQ)
OUTPUT
. These are also wired according
to the AES standard.
The
THRU
output connectors allow you
to connect more than one SWA±801z to
your system. Simply plug the signal source
(i.e., mixer output) into the °rst speaker’s
FULL RANGE INPUT
jacks, and patch that
speaker’s
THRU
jacks to the next speaker’s
INPUT
jacks, and so on, daisy-chaining mul-
tiple speakers.
The
THRU
jack is wired straight from the
FULL RANGE INPUT
connector — there is no
electronic circuitry between — so the signal
coming out of the
THRU
jack is exactly the
same as the signal going in.
The
HIGH PASS OUTPUT
jacks provide
a line-level signal of the frequencies above
1±0Hz that you connect to a pair of active
speakers (or to a stereo ampli°er powering
a pair of passive speakers).
PLACEMENT
The SWA±801z subwoofer is designed to
sit on the floor, either upright or on its side.
(Feet are provided on the bottom and on
one side.) A socket is provided on the top
and one side of the SWA±801z for mount-
ing the Mackie SA15±1z or SRM³50 active
speakers. Use the optional Mackie speaker
mounting pole (SPM100) to mount them
on the SWA±801z (see Hookup Diagram on
page 5).
As with any powered
components, protect the
SWA±801z from exposure
to moisture. If you are
setting them up outdoors,
make sure they are under
cover if you expect rain.
WARNING
: The cabinet
has no rigging points and
is not suitable for rigging.
NEVER
attempt to sus-
pend the SWA±801z by
its handles.
Unbalanced Male XLR Connector