70 Volt Speaker Transformer Wiring Diagram

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70 volt speaker transformer wiring diagram. 100v and 140v systems are often used around sports arenas golf courses amusement parks etc where the speakers are very widespread higher volume levels are needed and. Speaker layout wiring methods and phasing are the same for either technology and are covered on pages 70 76. Central amplified systems pages 64 67 self amplified systems pages 68 69 power lost in wires watts resistance. No changes to the power taps on the speaker transformers are required.

70 volt speaker wiring diagram. As shown it is easy to add the individual speaker watts together. A 25v output could be used where fewer speakers are to be used and the runs of wire are not extremely long such as in a doctor s office. Using 70 volt audio transformers for impedance matching tube radios.

You ll note that the above schematic shows colored taps on t transformer that is associated with each speaker. 100v and even 140v outputs can be found on some of these distribution amplifiers. This quality dual voltage transformer equipped with connections for 70 7 volt and 25 volt line applications. 4 existing speakers can be wired at 2 5 watts 70 volt total of 10 watts.

So the 70 volt distributed speaker systems are mostly confined to low audio quality applications such as background music or paging. Start date may 3 2010. 5w 2w 1w 5w 25w com 5w 2w 1w 5w 25w com 5w 2w 1w 5w 25w com amplifier 70v com to more. Welcome to the 70 volt wiring tutorial from skywalker.

May 3 2010 1 hello i m new at this forum i recently took over a 70 volt installation i have been. You to connect to the 70 volt signal line and then connect the other side of the transformer to the speaker. Tags pro audio speakers. The key is that the maximum output voltage is 70 7 volts regardless of the power capability of the amplifier.

These taps are used to define the amount of power going to each speaker. Audio impedance meter testing 70 100 volt speakers duration. 70v systems use transformers on the speakers that. If you try and buy a high quality high power 70 volt transformer so if you can find one you are going to spend a bunch of cash.

The pure resonance audio tm4 dual voltage transformer adapts conventional 8 ohm speakers for use with multi speaker 70 volt commercial distributed sound systems. A new box speaker can be wired at 10 watts 70 volt this allows it to be louder than any of the small church speakers since the creche area has much more ambient noise levels.