[Elecraft] KX1 headphones

[Brett Howard]

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 <kc1jb at arrl.net> wrote:
> 
> > From: Peter N. Spotts <kc1jb at arrl.net>
> > Subject: Re: [Elecraft] KX1 headphones
> > To: elecraft at mailman.qth.net
> > Date: Sunday, August 23, 2009, 5:59 PM
> > On Sun, 23 Aug 2009 16:16:31 -0700
> > "Erik N Basilier" <ebasilier at cox.net>
> > 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: kc1jb at arrl.net |
> > Skype: pspotts
> > QRP-ARCI # 4174 | North American QRP CW Club # 2446
> > Flying Pigs QRP # 1983 | SKCC # 4853 | QCWA #34679
> > W5JH Black Widow paddle #601
> > 
> 
> 
> 
>       
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