I've been looking for a safe way to combine a stereo signal into a single mono signal. I've heard it can be done by combining the signals with a 1k resistor between each input and the point they combine
(http://brashleraudio.wordpress.com/2...o-conversions/) but I've also seen more complicated circuits.
Anyone know a legit circuit for this, or have one they've used and trust? I've been doing the 1k circuit and it all works for me (at least nothing has broken that I am aware of), but I'd like to make something I could give to friends and family and not worry about it frying their electronics.
My ultimate goal is to create a small but powerful mono speaker thats easy to carry around.

Anyone know a legit circuit for this, or have one they've used and trust? I've been doing the 1k circuit and it all works for me (at least nothing has broken that I am aware of), but I'd like to make something I could give to friends and family and not worry about it frying their electronics.
My ultimate goal is to create a small but powerful mono speaker thats easy to carry around.
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