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Originally Posted by AustinJerry
The objective of the exercise was to measure the center channel. To do that, the same mono signal must be sent to both the left and right channels. So I am not sure what your suggestion means.
And using all channel stereo and unplugging the other speakers might be an option, but I am not looking for a solution that requires unplugging a lot of speakers. And finally, I am using a 100Hz crossover.
Why would it need to be sent to both channels? What do you think will happen if you send signal only to left channel? My guess is that frequency response measured on center channel will be 3dB lower then if you send signal to both speakers. The only thing I am not sure is will signal be 3dB lower across whole spectrum or only below crossover point.
I actually tried the same today with dreaded multi ch stereo. Frequency response of center channel was same when I sent to only left/right and when i sent to both. The only difference was that SPL when I sent to both channels was higher across whole frequency range.
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