Re: [Elecraft] K3DSPLPF Low Pass Filter

2010-03-14 Thread Bob Cunnings
I also installed the LPF in 2 K3s here this weekend. Although I have pretty good hearing, I was skeptical about any possible improvement. However, I was surprised when I turned on the 1st unit completed. The improvement was noticeable (I use headphones with a wide frequency response). CW notes are

Re: [Elecraft] K3DSPLPF Low Pass Filter

2010-03-01 Thread Joe Planisky
I recently installed the LPF. I did *not* make any other changes (e.g. to extend the low frequency response.) I work mostly CW but do a fair amount of listening to SSB and SWBC. In my case, the effect is rather subtle and I can't be sure it's not just a placebo effect, but I think CW notes

Re: [Elecraft] K3DSPLPF Low Pass Filter

2010-03-01 Thread Brett Howard
Makes the radio sound a lot quieter and less fatiguing to me. Honestly I feel much more comfortable for long periods of time behind the K3 after installing the filter. I should state that I changed the filter and several of the output caps at the same time. I even tried to do some filters in t

[Elecraft] K3DSPLPF Low Pass Filter

2010-03-01 Thread Edward Dickinson, III
I'm a SSB operator and am interested in the Low Pass Filter Update/Mod. Can someone with a pre-Rev D DSP board who has installed the K3DSPLPF speak to the improvements? Thanks. 73, Dick - KA5KKT __ Elecraft mailing list Home: http://m