I have a K2 with both the audio filters and the clock installed. The clock is useless to me, it doesn't keep time, and it is too hard to correct the time base and fix the time. I never use it. I have an external clock that sits on top of the K2 and it is visible all the time when I need it.
The audio filter is useful rarely when the QRM is really bad. I'm VERY glad to have it when I need it !! I've had my K2 for about 10 years and would recommend it to anyone who doesn't require a stable rig that doesn't drift. My K2 drifts about 110Hz from cold to full running, and I run it VERY hard and VERY hot. 110Hz doesn't bother me at all. But I do think it might be an important consideration to someone on "the fence." Yes, I have the "no drift" updates both to the VFO and the BFO, and it still drifts 110Hz. I run an amplifier, Ameritron AL811H and to drive it, I use 50W. This places extra heat in the KPA100 and increases the drift. It wouldn't be a problem for "normal" people, but I'm a rag chewer on 40M and 10 minute transmissions are not uncommon for me. The people I talk to send 10 minute marathons back to me, but it doesn't cool down sufficiently for the fan to turn off when they do so. It runs VERY hot. So far, no problems. BTW, anyone who cares to check the "bandplans" at ARRL will find the "cw portion" of 40 meters is now down to 10KHz. This is one reason the digital boys are down to 7035. I regularly find digital boys down on 7030, I was there this morning for about 30 minutes. When I find one, I like to plant my 500W directly on him and make a lengthy QSO. I recommend this practice to all CW operators ! We need to OCCUPY our 10KHz and defend it if we intend to keep it. TR, K6GC K2/100/KAT2 S/N 838, Updated to S/N 6XXX ___________________________________ At 01:48 PM 6/23/2010 -0400, you wrote: > > Getting closer to ordering a K2...the www page says NOW WITH DSP? Do I >order the DSP board or not? Inquiring minds want to know... > >I've had my K2 for a few years now, no DSP, and do exclusively 40m CW work, >using only the built-in standard filters. Absolutely no complains and have >never felt the need for the DSP. I do have the optional audio filter (two >levels of audio filtering), but I never even use them. > >That's certainly not to say DSP filter is of no use, and I'm sure I'd use it >if I had it. But if you're on the fence, you might try it without it at >first, and you can always add it later. > >If I remember correctly you may install either the clock/audio filter OR the >DSP, but not both at the same time (but double check on that... it's been >ages since I've looked) > >--Andrew, NV1B >______________________________________________________________ >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 ______________________________________________________________ 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
