On Tue, Dec 21, 2010 at 08:04:29PM +0000, linuxdsp wrote: > Ken Restivo wrote: >> I've been looking around for a 1:1 line level transformer to lift the ground when connecting the headphone stereo output jack of a laptop or iPod to a consumer-grade amp that takes a headphone jack input. >> >> All I've been able to find is insanely expensive, like US$200. >> >> http://www.jensen-transformers.com/prices.html#ci2rr >> >> That's ridiculous. I just need the transformer itself; I can connectorize it myself. >> >> But my searches (Jameco, Mouser, DigiKey) aren't turning up anything except POWER transformers, much larger than what I need. >> >> Can anyone point me to some part numbers and (reasonable) prices for a 1:1 line level transformer? >> >> Thanks. >> >> -ken > > I don't think that's insanely expensive :) given that jensen are > probably one of the best at this sort of thing and their transformers > are used in many professional grade applications - and if you are going > to transformer-couple things then the quality of the transformer is > absolutely critical (even to get consumer grade performance) and > requires specialist knowledge and manufacture to get right (or a lot of > luck!). There may be other options that don't require a transformer - > it depends upon the problem you are trying to solve. The amp is a Cambridge Soundworks that cost US$100. I will not buy a transformer for it that costs more than the amp. -ken _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user