Audiophony PA AMP 660 Guide De L'utilisateur page 10

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4 - Using your amplifier
Please use high-quality cables to connect your speakers.
In order to prevent short-circuits, please tin the cables before connecting them to the output terminal.
Please make sure to respect the polarities when connecting your speakers to your amplifier.
Connect the speakers equipped with transformers to COM and 70/100V terminals.
Connect speakers that operate at 8 Ohms to the COM and 4~16Ω terminals.
It is not possible to use the 70V or 100V outputs with the 4~16Ω output at the same time.
The COM terminals are connected to each other and can be used for different outputs.
Transformer
100V speaker or ceiling speakers
8Ω 8Ω
8 Ohms speaker or ceiling speakers
Dangerous voltage
Speakers must be connected last to
the amplifier.
Turn the amplifier on when the
installation is over and has been
checked thoroughly.
Page 10
AMP660/AMP1000 - High Power Public Address Amplifiers
COM COM COM 4~16Ω 70V 100V
Transformer
COM COM COM 4~16Ω 70V 100V
Caution: the
minimum
impedance of
all the speakers
must not fall
below 4 Ohms
Caution: The sum of all
connected speakers must not
exceed the maximum power of
your amplifier