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Old 25th Jul 2020, 5:06 pm   #23
Dave Moll
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Join Date: Feb 2005
Location: West Cumbria (CA13), UK
Posts: 6,127
Default Re: Speaker cable used in commercial cinemas

Quote:
Originally Posted by Hartley118 View Post
I must confess that I've found it surprising that it's still customary to install the power amplifiers in the projection room and connect to the speakers behind the screen using a low impedance connection.
If the distribution were performed on the input to the power amplifiers, wouldn't that mean that anything picked up by the distribution cables (such as mains hum) would also be amplified?
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