Doesn't look like it'll fit... Where as the Tamura has 3 possible pins on a side at .01 spacing the Bourns part has 4 possible pin locations per side at the same .01 spacing... So they aren't going to be pretty drop in replacements.'
~Brett (N7MG) On Sat, Jul 3, 2010 at 4:48 AM, Paul Christensen <w...@arrl.net> wrote: >> So the K3 has a fully floating ground on the line audio input, isolated >> from >> the chassis??? Is that correct? 73 Tom > > The K3's line input transformer primary is connected to the 1/8" TRS jack > using tip and sleeve where the sleeve floats above chassis ground. > > The on-line schematic of the KIO3 board was revised a few weeks ago and it > looks like the Bourns LM-NP-1001 transformer may now be an alternative from > Elecraft although I haven't looked at pin compatibility with the existing > Tamura TTC-108 transformers. > > According to Jack Smith's measurements, the Bourns transformers have very > good frequency response and THD characteristics as long as input levels > remain at typical -10 dBV from consumer-grade PC sound cards. At just USD > $1.75 ea. from Mouser, they look like a good value. > > Paul, W9AC > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html