how to force a stereo output to mono without a mixer
"Randy Yates" wrote...
Why would they do that? They'd be derating an ideal voltage amplifier
characteristic (zero output impedance) that is desirable in such devices.
Zero output impedance is not necessarily desirable in the Real World(TM).
Furthermore it is more expensive to implement than some sensible finite
output impedance. For that reason it is rarely done IME.
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