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70V Distributed Audio – Vellone Communication
https://vellone.com/wiki/70v-distributed-audio/
70V Distributed Audio. Home / 70V Distributed Audio. By Vell01 January 4, 2016. Distributed Audio. By John Vellone. There are two types of audio amplifier on the market. Constant Current Amplifier (like your home stereo amplifier), which have a low impedance output of either 8 ohms or 4 ohms, and Constant Voltage Amplifier (used for commercial ...
Constant Voltage (70-Volt) Audio Systems For Beginners
https://www.parts-express.com/70-volt-systems-beginners
Nonetheless, 70V systems are generally not used in home audio distribution systems as there are a number of other options that can provide better sound quality and features. For outdoor public address applications, horn-type speakers are used to direct and focus the sound over the area where it is wanted.
70 V Sound System Myths - Professional Audio Training
https://www.prosoundtraining.com/2016/06/23/ten-70-v-system-myths/
The 70 V system is just a means of signal distribution. It has nothing to do with the type of loudspeaker used. While 70 V distribution works well for ceiling loudspeakers, the amplifier doesn’t know or care about “what” or “where” with regard to loudspeakers. Do you have separate circuits in your house for toasters, TVs, and lamps? Of course not.
The Why and How of 70 Volt Audio Systems
http://erictraining.com/articles/AV/70-volt_cheat_sheet.pdf
3) A distributed home audio system that does not want stereo. Why 70 volt and not 8 ohm? 1) A 70-volt system allows you to use multiple speakers without worrying about impedance issues, which can overload and damage an 8-ohm amplifier. 2) A 70-volt system allows you to run more speakers off a single amplifier.
Multi-Zone 70V Distributed Sound System for Restaurants ...
https://www.proacousticsusa.com/multi-zone-70v-distributed-sound-system-for-restaurants-with-16-speakers-paging-and-bluetooth-media-player-up-to-4-zones.html
Model # MZSS-16EVIDMA725F This commercial multi-zone 70-volt distributed sound system is designed for background music and paging announcements for up to four areas or zones of a restaurant, sports bar, brewery or indoor/outdoor food court up to 8,000 sq. ft.
Understanding Distributed Speaker Systems - Geoff the …
https://geoffthegreygeek.com/understanding-distributed-speaker-systems/
Decibels are widely used in audio, and often misunderstood. These articles give a practical understanding on using decibels in audio work. ... Distributed speaker systems are also known as "100 volt line" or "70 volt line" speaker systems. They …
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