Operating Voltage; Power Consumption; Connections; Operation - Lab.gruppen iP Series IP 2100 User Manual

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Speaker connections are made via the two Neutrik® NL4FC Speakon connectors. The Speakon
connector is designed for high power speaker connections. It assures the correct polarity, it locks in place
and prevents from shock hazard.
They are wired in the following manner:
The right jack, Channel A, has both channel A and B outputs, so it's useful for bridging and bi-amp
operation (see bridged mono operation on page 7). The left Speakon, Channel B, carries only the
channel B output.
Channel A and B into two separate
Speakons.
Never connect either output terminal to ground or to some other output or input terminal
For normal two-channel operation, connect each speaker load across the output's positive and negative
terminals. Pay attention to speaker polarity; loudspeakers connected out of polarity degrade sound
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 cable. Remember that the speaker cable robs the power
of the amplifiers in two ways: by increasing the load impedance, and by introducing resistive power
losses.
WARNING: To prevent from electric shock, do not operate the amplifier with any of the
conductor portion of the speaker wire exposed.
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•
Make sure that the power switch is set to "off" before connecting any input or output or
operating the switches on rear panel. See pages
•
Make sure that the AC mains voltage is correct and the same as the one printed on the rear
panel of the amplifier. See pages 9, about operating voltage and power consumption.
•
Make sure that the switches on the rear panel for operation modes, gain-switch and clip-limiter
switch are in the correct position. See page
limiters.
•
It is always 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.
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When you power up the amplifier it takes a couple of seconds to check its circuits. This is known as the
"soft-start" or "slow-start" sequence. The fans then blow at high speed before going into "idle" and the two
bottom green LED's illuminate to show the amplifier is operational.
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Channel A and B into one Speakon
(Stereo and Bi-amp)
7
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Bridged mono
8 about installation.
about operation modes and page
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13 about clip
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