[Elecraft] K1 Low power output on one band - Now Solved

Thanks to Don and Michael for their advice on the K1. It was indeed a simple tweak of one of the caps on the filter board (pre-mix) and now all seems well with my K1. 73, Paul EI5KI __ Elecraft mailing list Home: http://mailman.qth.net

Re: [Elecraft] K1 Low power output on one band

Paul, Yes, it does sound like your 4 band filter board needs to be re-aligned. Remove the KAT1 and install the jumper. In addition, you must set the switch next to the BNC connector to the K1 setting in order to maintain power control. If you do not have that switch, then you have an older K1 bo

Re: [Elecraft] K1 Low power output on one band

Hi Paul, It does sound as though the slug-tuned inductors on the 20 meter and 15 meter sections of the Filter board need tweaking. As you noted, one must remove the KAT1 ATU board from the Filter board to access those coils. It is necessary to jumper pins 2 and 10 of J2 on the Filter board to ro

[Elecraft] K1 Low power output on one band

Dear Elecrafters, I'd like some advice before I go delving into something and making it worse! I have taken my 4 band K1 out of storage. It is set up for 40m, 30m, 20m and 15m. It also has the auto ATU. On checking it out I find output as expected on 40m & 30m - 5W set gives 5W out on my dummy