I have K2/10 serial #5308 and have not noticed any loud pop on strong CW signals. I used it in the 2018 and 2019 CQWW CW contest to obtain my QRP DXCC award with no such problem. I do have the DSP module and not the audio filter option. I'm not sure that makes a difference.
73, Mark, WB9CIF -----Original Message----- From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> On Behalf Of Vic Rosenthal Sent: Saturday, November 21, 2020 01:13 To: barry halterman <kthre...@gmail.com> Cc: elecraft Reflector <Elecraft@mailman.qth.net> Subject: Re: [Elecraft] K2 purchase considered Strange. I have K2 #725, which received various mods over the years, but I never noticed anything like a loud pop, nor do I recall a mod for it. Victor 4X6GP > On 21 Nov 2020, at 4:41, barry halterman <kthre...@gmail.com> wrote: > > I will throw my two cents in on this. Quite frankly, I do not see how > a K2 got the reviews it did over the years. I put one together in July > to do something during lock down. After assembly, which was really a > pleasure, and in two or three weeks after, I noticed a disturbing pop > when tuning around strong cw stations. The s meter would jump to > maximum signal strength and my ears took a beating with the loud pop! > The rig went back to Elecraft for evaluation and I was told with this > type of PLL circuit design, this is the nature of the beast. Having > known this irritating pop is nature of the beast, I would have saved my > money!! > I want to say that Elecraft made a modification to help with the > strong pops and I am very thankful for that and the the terrific > service, but the pops are a big annoyance to me even with the suppressor. > I still am evaluating if I want to keep this thing or put it up for sale. > K3bo > >> On Fri, Nov 20, 2020, 9:11 PM Macy monkeys <macymonk...@charter.net> wrote: >> >> Agree. I have had a parade of 'better' rigs come and go through the >> shack...but my K2 built over 20 years ago is still here. >> >> John K7FD >> >>> On Nov 20, 2020, at 5:41 PM, Robert G Strickland via Elecraft < >> elecraft@mailman.qth.net> wrote: >>> >>> John... >>> >>> Jim has the resume to back up his opinion(s) which I do not have. >>> His >> view point always merits serious consideration. For myself, building >> the K2 was/is one of the "peak experiences" I have enjoyed as an >> amateur radio operator. While I now use a K3s - and it is a "better" >> radio - I have continued to use the K2 regularly over the years. I >> never fail to smile when it powers up, and the two of us go on the radio >> journey of the moment. >> It is my go-to radio for field day. When I bought it there were no >> other options, while today, the KX2/3, K3/s, K4 are all excellent >> radios that should be considered; you can't go wrong with any of >> them. That said and speaking for myself, I would sell any of the >> "better" radios in my possession before parting with my K2. When you >> go on to better and better rigs, you'll never regret the time spent >> with the K2. This reads like a "testimonial," and I suppose that it >> is. No offense to anyone meant. Just one ham's opinion. >>> >>> ...robert >>> >>> >>> 11/20/2020 06:54 PM, Jim Brown wrote: >>>>> On 11/20/2020 10:07 AM, John Daws wrote: >>>>> Am really tempted to get a K2 to use alongside the above- I have >>>>> an experienced builder here in the UK. >>>>> >>>>> >>>>> Everything I have read about the K2 excites me!! >>>> >>>> Most of the fun of the K2 is in the building. The newer rigs (K3, >>>> K3S, KX3, K4) are better radios. >>>> >>>> 73, Jim K9YC >>>> >>>> >>>> >>>> >>>> ______________________________________________________________ >>>> Elecraft mailing list >>>> Home: >>>> https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fma >>>> ilman.qth.net%2Fmailman%2Flistinfo%2Felecraft&data=04%7C01%7C%7 >>>> Cb804e605d9404fc8d2f708d88de4e4b7%7C84df9e7fe9f640afb435aaaaaaaaaaa >>>> a%7C1%7C0%7C637415361508621615%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4w >>>> LjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&s >>>> data=W2zquGb31h90WSKmc2R83ISxs3o3%2Fb2oiSt4viWc230%3D&reserved= >>>> 0 >>>> Help: >>>> https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fma >>>> ilman.qth.net%2Fmmfaq.htm&data=04%7C01%7C%7Cb804e605d9404fc8d2f >>>> 708d88de4e4b7%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C63741536 >>>> 1508621615%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2lu >>>> 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2Bu%2BXBY9GGXNqsUogjFvYGPIm95Y%3D&reserved=0 >>>> Message delivered to rc...@verizon.net >>> >>> -- >>> Robert G Strickland, PhD ABPH - KE2WY rc...@verizon.net.usa >>> Syracuse, New York, USA >>> >>> >>> ______________________________________________________________ >>> Elecraft mailing list >>> Home: >>> https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmai >>> lman.qth.net%2Fmailman%2Flistinfo%2Felecraft&data=04%7C01%7C%7Cb >>> 804e605d9404fc8d2f708d88de4e4b7%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7 >>> C1%7C0%7C637415361508631612%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAw >>> MDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata= >>> fGtlVc4YMHioMasv3vrTwVpNfGrQWVRMdySjlf9OAO4%3D&reserved=0 >>> Help: >>> https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmai >>> lman.qth.net%2Fmmfaq.htm&data=04%7C01%7C%7Cb804e605d9404fc8d2f70 >>> 8d88de4e4b7%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C63741536150 >>> 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