Last summer, I had the pleasure of building an Elecraft K1 — quite a relaxing change from the KX1, with its tighter spaces and height restrictions for some of the components.
Not so much with the K1. It has lots of space to work with. And once finished, what a quiet receiver! The AGC mod I made during construction (thanks for the info, Bruce, N1RX), substantially reduced the initial blast from strong stations. It’s a wonderful QRP radio.
But the 10-turn pot used as the main tuning control is too smooth by half. When trying to zero-beat on a station — tuning to match its signal’s pitch to that of the radio’s sidetone — it was too easy to overshoot or undershoot the correct setting.