Yes Stewart, I DO have the stiffener in place otherwise there would be some exposed holes on the top lid! I temporarily put some black electrical tap between the contact areas where the top lid meets the radio but that didn't stop any of it. The resonance appears to come from down below the pa unit. Fern
----- Original Message ----- From: "Stewart Baker" <[EMAIL PROTECTED]> To: "David Ferrington, M0XDF" <[EMAIL PROTECTED]> Cc: "Fern Rivard" <[EMAIL PROTECTED]>; "Elecraft List" <[email protected]> Sent: Monday, August 11, 2008 4:14 AM Subject: Re: [K3] annoying resonance with internal speaker in K3 Oh Yes ! 73 Stewart G3RXQ On Mon, 11 Aug 2008 10:56:36 +0100, David Ferrington, M0XDF wrote: > Strange, mine not only does not do that, but I can't make it do that > even if I tap it - do you have the chassis stiffener in place correctly? -- No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.5.516 / Virus Database: 270.6.0/1601 - Release Date: 8/8/2008 9:02 AM _______________________________________________ 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

