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What Tap Setting Should I use on my 70V Speakers?
https://avdesignguide.com/70v-tap-settings/#:~:text=Load%20Impedance%20Data%20Sheet%20Example%20When%20you%20read,amplifier%20and%2050%20ohms%20for%20the%20100V%20version.
All About 70-volt Speaker Systems - Belden
https://www.belden.com/blogs/broadcast/all-about-70-volt-speaker-systems/
In this case, we show three values of loss: 11% (-0.5 dB), 21% (-1 dB) and 50% (-3 dB) for 4 and 8 ohm speaker impedance. But you'll notice a third section there, titled 70V (volt) speaker. You will also notice the astounding distances that 70-volt distributed systems can go.
70 V Sound System Myths - Professional Audio Training
https://www.prosoundtraining.com/2016/06/23/ten-70-v-system-myths/
Since a conventional amplifier can be loaded to a fairly low impedance (8 ohms) it should be able to easily drive a zone of loudspeakers with transformers (usually a fairly high impedance). An additional factor is that transformer loads (70 V loudspeakers) are inherently more reactive than transformer-less loudspeakers, and some conventional ...
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 ...
What Tap Setting Should I use on my 70V Speakers?
https://avdesignguide.com/70v-tap-settings/
Load Impedance Data Sheet Example. When you read the spec sheet for the amplifier you intend to use, look for the “Load Impedance” figure under the “Audio output” section. In the example below we can see that this figure is 25 ohms for the 70V version of the amplifier and 50 ohms for the 100V version.
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