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