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70 Volt Horns, even referred to as loudspeakers sometimes, are an excellent
addition to 70v Commercial, Distributed Audio, and PA Public Address Systems.
You will often see 70v Horns in campgrounds, at race tracks, at fairgrounds
and countless other places in which there is a need for distribution of Voice
or Music Audio. Regular 70 Volt Speakers do not give you the targeted directional
sound that is needed to carry audio long distances outdoors. Hence, we incorporate
horns into our PA Public Address or Commercial Distributed Audio System and
one can make announcements to the public in a loud outdoor setting.
As with standard 8 Ohm speakers or , 70 Volt Horns must have in line transformers mounted on them to be used in a 70v system. Here at GIN We carry a full line of Horns that already have a transformer mounted to them. Conversely, you can also buy 70v in line transformers and connect them to regular 8 ohm speakers or Horns. The transformers that are used are step-down transformers that convert the high-voltage/low-current coming from the amplifier to the low-voltage/high-current signal that makes the commercial audio speaker work. Each transformer usually has multiple wattage taps so that each loudspeaker can be individually set as to how much wattage will enter, because of this, how loud each one will be.
With a set up as such, one does not have to worry about keeping the impedance matched throughout their music system as they would on an 8 ohm based system. Impedance is a measure of resistance. In a 8 ohm system if you hook up too many speakers to one amp the impedance will change to dangerous levels and potentially destroy the amplifier. However, with transformers, you can wire the system in parallel because the transformers that regulate the wattage going into each of the speakers. To calculate the wattage of the amp needed to run your system, simply take the total wattage of all the taps and include a 20% buffer, just to be safe. Moreover, all the taps do not need to be set at the same watts, hence, you can thereby set the volume for different speakers when the amp is at one constant volume. Thus, you can distribute Music or Voice Audio over a wide area and to multiple locations with a single, or maybe a couple amps. . .
Purchase
at the GIN Electronics Custom Install Store
