stereo expander

Dec 15, 2005 6 Replies

I once saw a simple circuit with two opamps in Popular Electronics I believe. I can't recall how to hookup the opamps the amplify the left and right channel differences. Google returns nothing but advertisements, no schematics.



I would be gratefull if anyone can give me some ideas or links.



J. David


In the Yahoo search window I typed "popular electronics magazine" WITHOUT the quotes. Item 2 is

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I think you will find this to be the motherload. You're welcome and Merry Christmas GG

You might be interested in these links as well

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I think he's probably optimistic on his power amp wattage ratings.

Marshall Leach REALLY knows what he's doing. Check out

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down at the audio related items.

GG

this one?

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part way down

A simple differential circuit will work for one output.

greg

Yes! This is the one I was looking for. Thanks guys for the other links, lots of interesting audio circuits. (...and I'll have to improve my googling also)

John

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