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6.The C-660TB provides an easy way for installers to set and adjust wattage taps with a front baffle
screw terminal. The taps can be adjusted after the speaker is installed in the ceiling. We recommend
Setting the correct taps prior to installation then adjusting the taps after installation only when necessary.
Always set the taps to the 25 volt settings when using a 25 volt amplifier and the 70 volt settings when
using a 70 volt amplifier. Never exceed the wattage rating of the connected amplifier.
Combine the wattage settings of all the speakers in the system to calculate the total wattage.
Example: 10 speakers all tapped at 15 watts = 150 watts. Use an amplifier that provides a minimum
of 150 watts at 25 or 70 volts.
16 ohm Bypass:
This setting bypasses the internal transformer. Never use this setting when connecting the C-660TB to
a constant voltage 25/70 volt amplifier, this will overload the amplifier and possibly void the warranty.
Use the 16 ohm setting when connecting the C-660TB to a low impedance mono or stereo amplifier
with a minimum impedance rating of 4-16 ohms. If you are unsure of how to connect the C-660TB,
please call of e-mail Factor Electronics for technical support.
7. The C-660TB provides a 4 position terminal block connector to connect the speaker(s) to the amplifier.
The terminal block connector provides two + POSITIVE terminals and two – NEGATIVE terminals which
Can be used for input to the speaker and output to another speaker which saves installation time.
Parallel, series or combinations of series/parallel wiring can easily be achieved.
