> However being that you mention the K3 you'll want to either ensure you > use higher impedance headphones or ensure that you change the series > caps in the headphone circuit from 10uF to 100uF.
Not too many high-end headphones will be available with an average Z of more than 100 ohms across the audio spectrum. With the stock 10uF caps in the K3, one would need to find a set in the area of 200-ohms or so to extract decent low-end response. When you get up in that Z range, the available headphone options quickly diminish. Several SMD replacement caps exist for the K3's headphone coupling caps at C9, and C13, but Mouser P/N 647-UUD1A101MCL (made by Nichicon) is a good choice at only 65-cents each. Paul, W9AC ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html

