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MAIN IN
This is a female XLR-type connector that
accepts a balanced line-level signal from
your mixing console or signal processor.
LOOP OUT
This is a male XLR-type connector that
produces exactly the same signal that is
connected to the
MAIN IN
jack. Use it to
daisy-chain several FUSSION 3000s to-
gether off the same signal source.
HIGH PASS/FULL RANGE
With the switch set to
FULL RANGE
posi-
tion, the FUSSION 3000 operates from
55Hz to 20kHz. With the switch set to
HIGH PASS, a high-pass filter is placed in
the signal path and the FUSSION 3000 op-
erates from 85Hz to 20kHz. Use this setting
when you have a FUSSION 1800AS con-
nected to the
SUB OUT
connector.
Note: The
LOOP OUT
is not affected by
this switch. It is always full-range, and the
FILL OUT
is always 85Hz to 20kHz.
SUB OUT
This male XLR-type connector produces
a line-level signal that you can connect to
the FUSSION 1800AS powered subwoofer
system. The FUSSION 3000 has a built-in
controller that operates below 85 Hz.
FILL OUT
This is a male XLR-type connector that
produces a line-level signal you can connect
to a side or front fill powered speaker or
speaker amplifier.
Note: The
FILL OUT
has a low-pass filter
that operates from 85Hz to 20kHz, regard-
less of the
FULL RANGE/HIGH PASS
switch
setting.
OUTPUT LEVEL
This controls the output signal level at the
FILL OUT
. This control ranges from off up to
unity gain. Use it to adjust the relative vol-
ume for the side or front fill speaker.
PHASE
This switch reverses the phase of the sig-
nal at the
FILL OUT
connector. Depending
on the placement of the fill speaker, you
may get better overall response with the
PHASE
switch set to 180º.
CONNECTIONS
The FUSSION 3000 has a female XLR
input that accepts a balanced or unbalanced
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
There are also three male XLR connec-
tors labeled
LOOP OUT
,
SUB OUT
, and
FILL
OUT
. These are also wired according to the
above AES standard.
Balanced XLR Connectors
The
LOOP OUT
connector allows you to
connect more than one FUSSION 3000 to
the output of your mixing console. Simply
plug the signal source output into the first
MAIN IN
jack, and patch that speaker’s
LOOP OUT
jack to the next
MAIN IN
jack,
and so on, daisy-chaining multiple speakers.
There is a limit to how
many you can daisy-chain
together. A general rule is
to maintain a load imped-
ance 10 times or more
than the source impedance to prevent ex-
cessive loading on the source. For example,
if your mixer has an output impedance of
120 ohms, then you can daisy chain up to
sixteen FUSSION 3000s. This is a load of
1250 ohms (FUSSION 3000 input
impedance=20k ohms; 16 of these in par-
allel=1250 ohms).
The
LOOP OUT
jack is wired straight
from the
MAIN IN
connector — there is no
electronic circuitry between — so the signal
coming out of the
LOOP OUT
jack is exactly
the same as the signal going in.