Transformers allow you to:
•connect speakers with different impedances without causing output differences between the speakers.
•add or remove a speaker from the system without having to recalculate the entire system’s impedance.
•reduce signal loss when you use speaker wire over 50 feet (15.24 meters) long.
Line transformers have several connectors called taps. The primary taps on one side of the transformer are the inputs, and are rated in watts. The secondary taps on the other side of the transformer are the outputs, and are rated in ohms.
Follow these steps to connect the speakers with the transformers. Example shown on next page.
1.Connect a wire from the amplifier’s 70V
terminal to the transformer’s desired primary tap (10, 5, 2.5, 1.25 or 0.62 watts). ±
2.Connect a wire from the amplifier’s COM terminal to the C (common) taps on the transformer’s primary side.
3.Connect a wire from the speaker’s positive (+) terminal to the transformer’s secondary tap that
matches the speaker’s total impedance (4 Ω , 8 Ω , or 16 Ω).
4.Connect a wire from the speaker’s negative
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•Before you connect the speakers, be sure the total wattage of the primary tap you use does not exceed the amplifier’s maximum
•Avoid multiple connections to the amplifier’s 70V and COM terminals.
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Usually, a speaker in a system uses the same wattage tap. If you want a particular speaker to have a higher volume level, connect the wire from the 70V terminal to a higher wattage tap on its transformer.
Connections
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