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This example shows for the first three systems in chart. In this case, 4-Ohm terminal
is used your system impedance may be varied depending on the impedances of
the individual speakers, and may reguire hook up to the 8 or 16 Ohms terminal.
System 5: Connecting speakers with transformers
1. Locate the input taps on your transformer. These taps are on side of the trans -
former, and are rated in watts, 10, 5, 2.5, 1.25 or 0.62. Usually, each speaker in a
system uses the same wattage tap. Connect the selected tap to the amplifier
70V RMS terminal. If you wish a particular speaker to have a higher volume level,
connect the wire from 70V RMS to a higher wattage tap on the transformer.
2. Connect the transformer's COMMON tap on the primary side to the amplifier
COMMON terminal.
3. Connect the speaker's (+) terminals to the transformer's secondary tap that
matches the speaker's TOTAL IMPEDANCE. Locate on the opposite side of the
transformer, these secondary taps are outputs, and are rated in Ohms 4, 8 or 16.
4. Connect the speaker's (-) terminals to the transformer's COMMON tap on the
secondary side.
NOTE:
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Before connecting the speakers, please be sure the total wattage of the primary
tap you use does not exceed the amplifier's maximum power rating.
•
Avoid, where possible, multiple connections to the 70V RMS and COMMON
terminals.
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Four 8 Ohm
Speakers
