AVSL 953.102 CM/CS SERIES - Manual (Page 5)

CM/CS Series User Manual
100V line systems
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” (17) output terminal to the positive (+) connection of the speaker and “COM” output (15)
to the negative (-) connection of the speaker. Connect further speakers in parallel to the first speaker
with all positive terminals and 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.
Low impedance systems
The CM and CS series amplifiers can provide an output for a single 8Ω speaker by connecting the
“8Ω” output (16) to the positive (+) speaker connection and “COM” output (15) to the negative (-)
speaker connection.
It is important to ensure that the speaker load is no less than 8Ω and that the power handling of the
speaker is equal to or greater than the output power of the amplifier.