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<blockquote data-quote="TJ Cornish" data-source="post: 138023" data-attributes="member: 162">Re: Stadium horn InquiryYou will want to read up on 70v or 100v audio systems. In the olden days, small amps drove a step up transformer, which increased the output voltage to 70v nominal, meaning there was less loss in long cable runs, and smaller and/or longer runs of cable could be used. A further advantage is more speakers can be paralleled, since the speakers also have transformers, giving a very high effective impedance. These days, many amps can directly drive 70v systems since larger amps can produce high output voltages as a result of their high output power. I I don&#039;t have experience with those horns, but I worked on a large outdoor install project where we compared Atlas paging horns with their Stadium series of two-way speakers. Paging horns sound pretty terrible. Even for speech, it&#039;s a lot easier to listen to a modern full-range speaker. You will have to decide where on the cost/performance curve to be for your show.</blockquote>

[QUOTE="TJ Cornish, post: 138023, member: 162"] Re: Stadium horn Inquiry You will want to read up on 70v or 100v audio systems. In the olden days, small amps drove a step up transformer, which increased the output voltage to 70v nominal, meaning there was less loss in long cable runs, and smaller and/or longer runs of cable could be used. A further advantage is more speakers can be paralleled, since the speakers also have transformers, giving a very high effective impedance. These days, many amps can directly drive 70v systems since larger amps can produce high output voltages as a result of their high output power. I I don't have experience with those horns, but I worked on a large outdoor install project where we compared Atlas paging horns with their Stadium series of two-way speakers. Paging horns sound pretty terrible. Even for speech, it's a lot easier to listen to a modern full-range speaker. You will have to decide where on the cost/performance curve to be for your show. [/QUOTE]

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