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Amplifier Changeover Unit
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Amplifier Monitoring and Changeover Unit. |
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Built-in pilot tone signal generator which is superimposed into the input signal. |
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Monitor up to 8 power amplifier and 1 standby amplifier. |
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Multiple units can be cascaded, allowing for backup ratio of 16:1, 24:1, or more, up to 64:1. . |
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Line Supervisory Unit
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Built-in pilot tone signal generator. |
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High precision line drivers enable accurate measurement of the loudspeaker line impedance up to a maximum distance of 1km. |
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Impedance checking method allows for branching of loudspeaker lines without the need for end-line resistors and DC-blocking capacitors. |
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Integrated Supervisory Unit |
| - Amplifier Monitoring and Changeover |
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Built-in pilot tone signal generator which is superimposed into the input signal. |
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Monitors up to 8 power amplifiers and 1 stand-by amplifier. Automatic switch over to standby amplifier upon fault detection at duty amplifier. |
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| - Line Surveillance |
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Capable of monitoring up to 8 channels of loudspeaker lines using impedance checking method allowing for branching of speaker lines without the need for end-line resistors and DC-blocking capacitors. |
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Allows for monitoring of loudspeaker line beyond the audio attenuato and automatically isolates shorted loudspeaker lines from the power amplifier to prevent damage. |
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Automatic
Changeover Unit
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Automatic
Switching of the balanced line input, priority activation
signal and output (HOT and COM) of the faulty power amplifier
to the standby power amplifier. |
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Can
connect up to 5 duty and standby amplifier. |
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If
there are more than 1 faulty amplifier, backup will only be provided
on a first come first serve basis. |
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Maximum
power handling of 500 W (rated at 100 V) per output. |
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Amplifier
Monitoring Panel
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Convenient
monitoring of up to 10 power amplifier outputs. |
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Large
VU Meter provided for accurate visual monitoring. |
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75
mm dynamic full range loudspeaker unit with built-in attenuator
for aural monitoring of the selected amplifier output. |
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19"
EIA standard rack mountable, taking only 2U rack space. |
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Line
Monitoring Unit
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Constant
monitoring of up to 10 independent loudspeaker lines. |
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Automatic
disconnection of the faulty loudspeaker zone from the amplifier
to prevent damage to the power amplifier. |
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Monitors
up to 360 W (100 V line) maximum power handling per loudspeaker zone. |
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Individual
tricolour LED indicators for easy visual status monitoring
of the loudseaker lines. |
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Loudspeaker
Line Selector
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Selectable
output from dual inputs (ie. BGM and Paging) |
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External
/ remote override via 15 Pin D-type female connector. |
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Removable
plug type I/O connectors to ease servicing. |
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LED
status indicators provide easy visual monitoring. |
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Program
Timer
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8
individual output channels (PT 085) and 16 individual output
channels (PT 164) respectively providing dry contact closure
with 5 seconds pulse duration. |
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50
programming steps per output channel. |
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1
week channel programming (SUN - SAT) with linking between
channels and days. |
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Internal
real time clock with ability to synchronise with Master
Clock System. |
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Audio
Attenuator
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Maximum
insertion loss of -0.5 dB. |
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Sleek
and aesthetically designed, constructed from high impact
ABS with a pure white (RAL 9010) finish that blends easily
into most surroundings. |
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The
flexibility of being flush mounted or surface mounted without
any visible mounting screws. |
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Built-in
emergency overriding relay which sets the output level to
maximum during emergency announcement. |
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Local Source Patch Panel
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Convenience of utilising the house loudspeaker system with a local source. |
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Built-in emergency overriding relay which overrides the local source and sets the output level to the maximum during emergency paging. |
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Non-visible mounting screws at the panel. |
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Able to be both flush mounted or surface mounted to the wall. Optional back box for partition wall mounting available. |
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Fibre Optic Transmitter and Receiver |
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Extremely low-distortion audio signal transmission and wide bandwidth supporting high speed transmission. |
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Impervious to electromagnetic and electrostatic interference and integrated RF rejection circuit for pretection against RF noise inteference. |
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Real-time communication state indicator & power indicator and capable of transmission distances up to 2 km. |
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Individual gain control for audio input and digital processing with auto signal tracking mechanism. |
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