AUDIOropa PROLOOP C Mode D'emploi page 13

3.2 PROLOOP C loop amplifier performance features
• For areas up to 170 m
• 4 A RMS output power
• Short-circuit-proof
• Automatic reset for the fuse
• 2 programmable, symmetrical XLR inputs and 1 RCA Line IN input
• Line IN or microphone IN with phantom voltage can be adjusted separately for Line IN 1
and Line IN 2
• High safety thanks to the output voltage and power controlled AGC, which reduces
problems with acoustic feedback
• Headphones connector (front side) and Line OUT RCA connector (rear side)
• Treble control to compensate for treble loss due to reinforcements in walls and floors
4. Installation
This device operates with a dangerous voltage of 230 V. Never
attempt to open the device yourself and never insert anything into
the air vents! You could receive a severe electrical shock!
Advice
1. Before beginning to install the device, you should be sure to check the
2. If the loop is to be installed in a pipe, then make sure that the pipe is
3. Do not lay any input signal cables next-to or along the loop wire.
4. Avoid using dynamic microphones inside the loop. Always chose sym-
5. If it is not possible to lay the loop in a circle or in a "figure 8" (double circle),
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area for any magnetic interference. Such interference can have a negative
affect on the operation of the device or make it impossible altogether.
Interference can be caused by transformers, power lines,
reinforced concrete or floor heating systems.
made of plastic.
metrical electret or capacitor microphones to prevent acoustic feedback.
then a special loop design calculated by an experienced technician
will be necessary. (Please do not lay any comb or meander structures!)
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