The Bose QC15's are very nice for sure. The price, as with all Bose
products, is way too high. I use them for CW/ digital contests and the
CM-500's for phone contests. I like the CM-500's very much. They are very
comfortable but do not have the isolation that one would want in a multi
environment.
Hope everyone had a very special Christmas day!
73,
Randy N1KWF
On Thu, Dec 26, 2013 at 8:30 AM, Charlie T, K3ICH <pin...@erols.com> wrote:
> I've never tried noise cancelling headphones, so my one question is, does
> anyone detect ANY effect to the desired audio? In other words, any
> "Noise-Blanker" effects or coloration of the audio?
> I would suppose that, since they're designed for music, the noise
> cancelling function is transparent, right?
>
> On the very few flights I've taken recently, I successfully used my old
> Sony MDR-7506's. Maybe I don't know what I'm missing by NOT using a noise
> cancelling set.
>
> 73, Charlie k3ICH
>
>
> ----- Original Message ----- From: "Ron D'Eau Claire" <r...@cobi.biz>
> To: <elecraft@mailman.qth.net>
> Sent: Thursday, December 26, 2013 2:25 AM
> Subject: Re: [Elecraft] Noise Cancelling Headphones
>
>
> True noise cancelling headphones will cut noise far, far beyond anything
>> acoustic isolation from ear pads can accomplish.
>>
>> I have a pair of Audio-Technia QuierPoint ATH-ANC1. They are "on ear"
>> types
>> so I didn't recommend them to the person asking for ones that cover the
>> ears. They are very comfortable for me.
>>
>> When I fly, as the roar and whine of the big jet engines invades the
>> cabin,
>> I just switch them on and all the racket becomes a quite background purr.
>>
>> I often wear them for the entire 11 hours from the west coast of the USA
>> to
>> Europe, even if I'm not listening to any programs.
>>
>> The active circuitry in true noise-cancelling phones inverts the sound
>> arriving and so actually cancels it out.
>>
>> The circuit takes a few seconds to adapt so when the attendant brings my
>> drink she has no trouble waking me.
>>
>> 73 Ron AC7AC
>>
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--
Randy Lake N1KWF
73 Gunn Rd.
Keene,NH
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