Thanks Don I still have my K2 #12, and the jack is still good in it, also. At present it sits to the side, though, as my newer unit is on the desk on-line for Sweepstakes. 73, Bob N6WG
----- Original Message ----- From: "Don Wilhelm" <[EMAIL PROTECTED]> To: "Robert Tellefsen" <[EMAIL PROTECTED]> Cc: "elecraft" <[email protected]> Sent: Wednesday, November 07, 2007 10:28 AM Subject: Re: [Elecraft] A "My K3's coming question" > Bob, > > The problem with the K2 headphone jack has nothing to do with neither > mono or stereo nor with the contacts. There is a built-in independent > switch at the back of the jack body whose activating arm breaks and the > the path to the speaker remains open after the headphone plug is > removed. I have done postmortem disassembly of several of those jacks > and find the same fault with all of them - the switch activating arm in > the jack is a plastic lever and seems brittle to me. > > That being said, the headphone jack in my K2 and many many others I know > of has not failed. Yes, the failure percentage is higher than one might > expect, but not all of them fail. Now, if the jack manufacturer would > just use a less brittle material for that activating arm, the entire > problem would be solved. > > 73, > Don W3FPR > > Robert Tellefsen wrote: > > Lyle > > Is that rear panel mic jack a true > > tip-ring-sleeve jack or a simple mono jack? > > If simple mono, I'd be uncomfortable > > putting a stereo plug into it. Too many > > folks have had trouble with the K2's > > headset jack. I'm a bit leery of small > > jacks in general due to the small leaf > > springs in them. > > > > _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com

