I think I remember a post not too long ago from the guys at Elecraft that the composition of the material the knobs are made of had been changed. My rig is SN3539, and so far, no exploding knobs. I'm positive they'll take care of you.
73, Mike NF4L ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html