On 6/1/2014 11:29 AM, Joe Subich, W4TV wrote:
You can't guarantee that with any two random headphones - my shack has headphones anywhere from 8 Ohms to 200 Ohms.
I would change that. Simple Ohms Law suggests that's a very bad idea, for reasons noted in the next sentence.
Paralleling headphones of with differing impedance and sensitivity will result in one operator getting too much or too little audio and may require gain high enough to result in excess distortion or dissipation.
That may be true, and is the only negative for paralleling them. But it also depends on the voltage sensitivity of the headphones involved.
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