Configuration Instructions

System configuration
System limits
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* Tapping: 100 V speakers have a transformer upstream of the chassis. The
transformer has several taps on the primary side, which is where the 100 V
speaker line is connected. These taps determine how much power is drawn by
the speaker. With a 100 V signal, ceiling speakers typically draw a power of 6 W,
3 W, 1.5 W, or 0.75 W. Halving the electrical power leads to a 3 dB reduction in
the audio signal.