CMU School of Drama


Friday, January 19, 2018

Clearing Up Misconceptions And Clarifying Constant-Voltage

ProSoundWeb: Why a “70-volt” system? A good question, and one that causes a lot of confusion among audio practitioners.

Some common misconceptions about 70-volt (actually 70.7-volt) distribution systems:
— There is 70.7 volts on the line at all times.

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