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9
EN
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The loudspeaker input voltage (Vd) shall correspond to the amplifier output voltage (Va)�
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The sum of nominal power values (Pd x n) of all loudspeakers connected to the line shall not exceed the amplifier power (Pa)�
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Make sure all loudspeakers are connected in phase to ensure a correct sound reproduction�
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Always use cables having wires with an adequate cross-section, considering the cable length and the total loudspeaker power�
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oudspeaker lines must be kept separated from mains cable, microphone cables or others, in order to avoid inductive phenomena may cause
hum or noises�
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Use loudspeaker cables having twisted wires to reduce hum caused by inductive effects due to coupling with electromagnetic fields�
4. NOTES ABOUT CONSTANT VOLTAGE SYSTEMS
+
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Amplifier
Pa > Pd x n
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Vd = Va
+
Va
Pa -
Amplifier power
Pd
- Speaker power
n
- Number of speakers
Vd
- Speaker input voltage
Va
- Amplifier output voltage
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Vd = Va
+
-
Vd = Va
+