I use the Heil quiet phones plus headset and have never had any RFI issues running a KW. And they are amazing at blocking noise. I had an AL1500 that was surely on the "loud" side but when I put these quiet phones on you hardly notice it's there.
------------------------- 73, Greg - AB7R Whidbey Island WA NA-065 On Thu Mar 19 14:51 , "W0MU Mike Fatchett" sent: > >I have seen rfi issues with the QC2 and the Heil noise cancelling headsets. >A couple of turns through a snap on fixed that. Neither are great at random >shack noises but both seemed to work very well on fixed sounds like fans. I >don't doubt that there are better solutions out there. Bose has one heck of >a marketing budget! > >The folks at Heil told me that they will have some new headphones/sets at >Dayton this year that are supposed to be better then the Bose and more rfi >proof then their previous headsets and more comfortable. > > > > >CC Packet Cluster W0MU-1 >W0MU.NET or 67.40.148.194 > >"A slip of the foot you may soon recover, but a slip of the tongue you may >never get over." Ben Franklin > > > >-----Original Message----- >From: [email protected] >[[email protected]','','','')">[email protected]] > On Behalf Of Bill W4ZV >Sent: Thursday, March 19, 2009 3:40 PM >To: [email protected] >Subject: Re: [Elecraft] Bose noise canceling headphones > > > > >Bill W4ZV wrote: >> >> If you **truly** want to block out ambient noise, there are much >> better and less expensive solutions. If I recall correctly the $300 >> (fair >> traded) Bose QC2 units only have ~10 dB of attenuation. Bose doe not >> spec their sound reduction because it really isn't so great. I think >> I found the 10 dB figure above from a 3rd party evaluation of the >> original Bose QC. >> > >I found a review of the QC3 below: > >"Over the entire frequency range, they block an average of about 15 dB of >noise" > >http://www.headphoneinfo.com/content/Bost-QuietComfort3-Headphones-Review/Pe >rformance.htm >(scroll down to the last graph ~75% of the way down the page. > >73, Bill > >-- >View this message in context: >http://n2.nabble.com/Bose-noise-canceling-headphones-tp2505028p2505587.html >Sent from the Elecraft mailing list archive at Nabble.com. > >______________________________________________________________ >Elecraft mailing list >Home: http://mailman.qth.net/mailman/listinfo/elecraft >Help: http://mailman.qth.net/mmfaq.htm >Post: [email protected]','','','')">[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: [email protected]','','','')">[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
