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REAR PANEL
1. AC IN AND FUSE HOLDER: Socket for plugging in the supplied power cord (top). For instructions on how to change the
fuse (bottom), see "REPLACING THE FUSE".
2. BATTERY INPUT 24V DC: The main DC power supply (24V) has to be applied to this connector. This is a standby power
inlet to connect a 24V battery.
3. SPEAKER OUTPUT: These terminals allow for connecting speakers.
4. LINE RCA OUTPUT: Further amplifiers can be connected from these RCA sockets.
5. LINE RCA INPUT: RCA jack input for connecting audio units with line level output.
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 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 tapings 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.
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