This is one reason why I like the IEM's (in ear monitors) which seal into your ear and provide excellent outside noise attenuation. I consider noise cancellation nothing more than introduction of distortion.
~Brett (KC7OTG) On Sun, 2009-08-23 at 17:40 -0700, Wes Stewart wrote: > Actually I do have a "communications" headset in the form of a David Clark > H10-30. > > http://www.davidclark.com/avHeadsetSpecs/avSpecs.aspx?ModelName=H10-30 > > Wearing these is close to putting your head in a vise since they are designed > as hearing protection as well as communicating. > > Wes N7WS > > --- On Sun, 8/23/09, Peter N. Spotts <[email protected]> wrote: > > > From: Peter N. Spotts <[email protected]> > > Subject: Re: [Elecraft] KX1 headphones > > To: [email protected] > > Date: Sunday, August 23, 2009, 5:59 PM > > On Sun, 23 Aug 2009 16:16:31 -0700 > > "Erik N Basilier" <[email protected]> > > wrote: > > > > > For the Amateur Service with its variations in > > modulation > > > specifications, it doesn't make any sense to me to put > > response > > > shaping in the headphones, as we then might want > > multiple sets for > > > multiple modes. Also, it doesn't make sense to limit > > the bandwidth at > > > a point where it doesn't affect AGC sensing. Many > > years ago when it > > > was hard to come by good selectivity at the IF, some > > bandwidth > > > limitation in the headphones may have been justified > > for reasons of > > > economical implementation. I don't know if airplane > > pilots' headsets > > > limit frequency response, but if they do, I suspect it > > is a matter of > > > standards being hard to change, and manufacturers not > > wanting cheaper > > > products made for other purposes to work well. > > > > > > > > > Now you did it; sent me to some airline-pilot-headset > > sites just for > > curiosity's sake. Sennheisers for AL pilots, a mere > > $717.00, frequency > > response 16-22,000 Hz. Given my high-fi speakers at > > 20-20,000, sounds > > like airline pilots go hi-fi too. And noise cancelling as > > well. Move > > over Bose! Telex and Plantronics aviation headsets had no > > easily > > accessed information on frequency response. > > > > Interesting discussion! > > > > With best regards, > > > > Pete > > > > > > > > > > > > > > > > -- > > Peter N. Spotts -- KC1JB > > http://www.kc1jb.net (under construction) > > Email: [email protected] | > > Skype: pspotts > > QRP-ARCI # 4174 | North American QRP CW Club # 2446 > > Flying Pigs QRP # 1983 | SKCC # 4853 | QCWA #34679 > > W5JH Black Widow paddle #601 > > > > > > > ______________________________________________________________ > 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 ______________________________________________________________ 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
