On Wed, Dec 08, 2010 at 12:18:31PM -0800, Ken Restivo wrote:
> I have a slightly different question: I need to convert a non-balanced consumer-grade headphone input (from a laptop or iPod), to a non-balanced consumer-grade amplifier (Cambridge SoundWorks).... but with complete ground isolation. I'm guessing a simple transformer should do the trick, but the question is: WHICH transformer? What should the specs be in order to get the impedance right for both sides?
Don't worry about impedances, they don't have to be matched
unless there's a few km of wire between the two.
Headphone out is low Z, amp in will be 10k or more. Any line
level 1:1 audio transfo will do. You can by them as XLR inserts
or just bare.
There are three of them, and Alleline.
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