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AMPLIFIER OPERATION GUIDANCE
100V Line System
For 100V line systems, connect the amplifier to the first speaker in the system using Double-
insulated speaker wire which has adequate current rating to handle the total output of the
amplifier. Connect the "100V" output terminal to the positive (+) connection of the speaker
and "COM" output to the negative (-) connection of the speaker. Connect further speakers in
parallel to the first speaker with all positive terminals connected together and all negative
terminals connected together as shown below.
A 100V line speaker system can comprise of many speakers connected together. The
determining factor for how many speakers can be used on a single amplifier is the power
rating. For most purposes, it is advised to connect as many speakers as needed with a
combined wattage of no more than 90% of the amplifier's output power rating. The terminals
of a 100V speaker are connected to a transformer and in some cases, this transformer may
be "tapped" for different power ratings. These tappings can be used to adjust the wattage
(and output volume) of each speaker in the system to help achieve the ideal total power of
the system for the amplifier.
Speaker Terminals
These terminals are offering 3 low impedance outputs 4Ω, 8Ω, 16Ω depending on your
speaker combination. A 70V/100V commercial output is also available. Please note that one
wire only should be connected to COM screw and one wire to the selected impedance or
voltage. Multiple combinations cannot be done at the output level. Four different types of
connections are provided. The low impedance section: 4Ω, 8Ω, 16Ω is designed for a small
amount of speakers to be connected to your amplifier. The 70V/100V section is especially
designed for a multiple speaker distribution. When using the 70V/100V output, speakers
have to be equipped with 70V/100V transformer. The maximum amount of speakers to be
placed on your distribution line is in relation to the power allocated to each speaker. The
total wattage set on the secondary side of the transformers on your speaker line must not
exceed the maximum RMS output power: 60W or 120W. Failure to respect this may cause
permanent damage to the amplifier.
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