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Question Real power output to 3.1 from 5.1/7.1 AV receiver

xoxMA1972

Novice Member
Hello everyone!

All of my local dealers fail to answer this question, only “guessing” so you guys are my last hope. How much power will a 5.1/7.1 AVR pump into 3.1 setup, provided of course that everything’s setup for 3.1 correctly?
Let’s say I consider Rotel RAP-1580 which is 7.1 rated at 100 wpc all channels driven and 150 wpc in stereo mode. What real power output would I get for 3.1?

Same question applies for power amps, 5.1 5x200wpc what would it equal for 3.1?

Many thanks for your comments in advance!

rgds
Maxim
 

Rambles

Distinguished Member
Impossible to say for sure unless it is measured. If you have a look at Sound and Vision and Audioholics, they do measure power output as part of their in-depth reviews and bench tests. Usually it is when running 2 channels, 5 channels or 7 channels, so you will still have to estimate the 3 channel equivalent.
 
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