Lab.gruppen iP 900 - Manual (Page 13)

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Speaker connections are made via the tw
connector is designed for high power sp o Neutrik® NL4FC Speakon connectors. The Speakon
eaker connections. It assures the correct polarity, it locks in place
th channel A and B outputs, so it’s useful for bridging and bi-amp
ge 7
and prevents from shock hazard.
They are wired in the following manner:
The right jack, Channel A, has bo
operation (see bridged mono operation on pa
). The left Speakon, Channel B, carries only the
channel B output.
at hannel A and B into two separ e
peakons.
C
S
Channel A and B into one Speakon
tereo and Bi-amp) (S
Bridged mono
nnect either output termin o some other output or input terminal
For normal two-channel operation, connect each speaker load across the output’s positive and negative
sound
ble. Remember that the speaker cable robs the power
NING: To prevent from electric shock, do not operate the amplifier with any of the
onductor portion of the speaker wire exposed.
Never co al to ground or t
terminals. Pay attention to speaker polarity; loudspeakers connected out of polarity degrade
quality and may be damaged as a consequence.
Keep the speaker cable leads as short as possible, and use a good quality stranded speaker cable. Do not
use shielded leads, such as microphone or guitar ca
of the amplifiers in two ways: by increasing the load impedance, and by introducing resistive power
losses.
WAR
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is set to “off” before connecting any input or output or
nel. See pages 8
• Make sure that the power switch
operating the switches on rear pa about installation.
• ne printed on the rear
panel of the amplifier. See pages 8
Make sure that the AC mains voltage is correct and the same as the o
, about operating voltage and power consumption.
• p-limiter
switch are in the correct position. See page 7
Make sure that the switches on the rear panel for operation modes, gain-switch and cli
about operation modes and page 13 about clip
• ys a good idea to turn down the gain controls during power-up, to prevent speaker
damage in case a high signal is present at the input.
limiters.
It is alwa
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