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All About 70-volt Speaker Systems - Belden
https://www.belden.com/blogs/broadcast/all-about-70-volt-speaker-systems/
So the 70-volt distributed speaker systems are mostly confined to low audio-quality applications such as background music or paging. Supermarkets, hotels, hospitals, airports are where you will find 70-volt distributed loudspeaker systems; anywhere you have more than a dozen speakers. While the power amp might be a few hundred watts, most ...
Common Questions Regarding 70-Volt Audio - AtlasIED
https://www.atlasied.com/blog-constant-voltage-speaker-systems
Audio signals are dynamic, meaning that they are only present when something is playing over the system. These systems have poor sound quality and are only suitable for paging and elevator music. This is an undeserved reputation and is rooted in the origins of 70V systems. As technology has improved, so has the quality of the output in a 70V ...
The Why and How of 70 Volt Audio Systems
http://erictraining.com/articles/AV/70-volt_cheat_sheet.pdf
The Why and How of 70 Volt Audio Systems The basic components of a 70-volt system are (1) an audio source, (2) a 70 volt amplifier, (Never hook up 70 volt speakers to a residential 8 ohm amplifier. Stuff could blow up!) (3) speaker wire (usually 16/2 gauge for runs up to 1,000 feet) and (4) speakers with
70v Amplifiers | 70 Volt Power Amplifiers | B&H Photo
https://www.bhphotovideo.com/c/buy/70-Volt-Amplifiers/ci/14252
Constant Voltage: 25V, 70V or 100V; Suited for Commercial Audio Installation; Single Zone Configuration; 35 Watts; Show More. $245 38. 6 Mos. Promo Financing with ...
Amazon.com: 70 volt amplifier
https://www.amazon.com/70-volt-amplifier/s?k=70+volt+amplifier
70V Commercial Amplifiers | Outdoor Speaker Depot
https://www.outdoorspeakerdepot.com/commercial-70v/amplifiers.html
70V amplifiers are used primarily for background audio in restaurants, schools, or retail buildings. A good commercial audio setup needs a high current 70v amp with flexible input and output connections that accommodate a variety of audio sources, including paging capability.
Amazon.com: 70v amplifier
https://www.amazon.com/70v-amplifier/s?k=70v+amplifier
70 V Sound System Myths - Professional Audio Training
https://www.prosoundtraining.com/2016/06/23/ten-70-v-system-myths/
Audio signals are dynamic, meaning that they are only present when something is playing over the system. Contrast this to utility power distribution systems, where a voltage is always present at the electrical outlet. ... 70V, 100V, and 140V. 2. These systems have poor sound quality, and are only suitable for paging and elevator music.
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