Powering secondary speakers without amplifiers in paging only applications
For paging applications, voice only, very minimal current is needed therefore 18 gauge in most cases up to 250 ft will be sufficient.
Amplifier Protection
The amplifier is protected from shorts, over heating and will shut itself down until the heat or short is removed. To avoid heat issues, an extra large heat sink is featured on the amplifier.
Loud music installations, dance floors etc.
Provide power at every speaker. Turn their volumes all the way up controlling level at a central location. If a subwoofer is used, crossover at 180 Hz and provide signal the module from 180 Hz and up. A CD output on each channel will power up to 5 power modules. After that, a preamplifier will be needed.
In most cases, particularly if a subwoofer is used, 12.5 watts per speaker will provide excellent sound and that will allow each module to power one more speaker.
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| 07/18/08 |
