These are nominal +4dBu line level outputs on XLR
for connection to an external amplifiers. They are
differentially balanced using a 3 wire connection to
drive long cable runs without signal degradation or
interference pickup. Wire the cable using an inline 3-
pin female XLR plug. You can connect to an
unbalanced 2 wire input by linking pin 3 to pin 1 in
the plug as shown.
and
outputs are affected by the 10-band graphic
equalisers. Use the
function to determine
which console mix is routed to these outputs:
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The power amplifier loudspeaker outputs are
available on industry standard locking Speakon
®
connectors. Use the
function to determine
which console mix is routed to these outputs. The
outputs can be configured as shown above.
Use Speakon
®
cable plugs and wire the
speaker positive (+) cable to pin 1+ and speaker
negative (-) to pin 1-. Use heavy duty 2 core cable of
at least 10 Amp rating for the loudspeaker
connections. The cable does not have to be shielded.
Make sure that the connections are reliable and in
phase (speaker + to amp +, speaker - to amp -).
Ensure the plug is rotated and locked into position.
Tip Check that the loudspeakers are wired
correctly in-phase by routing the same mono signal to
both outputs at the similar level and listening to the
sound when you stand centrally between them. In-
phase speakers have a solid centre image, out-of-
phase speakers produce a weak centre image with
strange ‘phasing’ effects.
Do not connect a load of less than 4 ohms
impedance. Failure to observe this may result in
damage to the amplifier. If you connect more than
one speaker to each output by linking them make
sure that the combined impedance is not less than
4 ohms. Divide the impedances when connecting
in parallel, add the impedances when connecting
in series.
To avoid damage to the amplifier do not
short the speaker connections together or link
them to ground.
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