Loudspeaker Connection - RCF AM2080 Manuel De L'utilisateur

LOUDSPEAKER CONNECTION

Use 1 output only, DO NOT MIX 100 / 70 V and 4 Ω CONNECTIONS !
100 / 70 V CONSTANT VOLTAGE OUTPUTS
LOW IMPEDANCE OUTPUT (4 Ω)
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The loudspeaker total impedance shall not be lower than 4 Ω.
Note: a total impedance equal to 4 Ω allows the amplifier maximum
power delivery. A higher impedance leads to a reduction of the power
delivered by the amplifier (e.g. 8 Ω: approx. ½ power, 16 Ω: approx.
¼ power). An impedance lower than 4 Ω overloads the amplifier.
Loudspeaker models shall be chosen by considering the max. power
(80 W) that the amplifier can deliver.
Loudspeaker line should be as short as possible; long cables may
need large wire cross-sections.
Do not use, at the same time, both the low impedance output (4 Ω)
and the constant voltage output (100V or 70V), as this overloads the
amplifier.
Each loudspeaker shall have a line
transformer with the input voltage equal
to the line voltage (100 / 70 V).
The loudspeaker total power shall not
be higher than the amplifier maximum
power.