[Elecraft] KX1 headphones

[Don Wilhelm]

Wes,

I agree with you completely.  The headphone response should not be the 
limiting factor. - headphones should be designed for fidelity, not a 
constrained response.

If the audio response must be tailored, it should be done before the 
headphones - the RX response or though the use of an AF low pass filter.

Some may disagree, but I believe good high fidelity response in the 
headphones is important.  If the response is not right, the place to fix 
it is in whatever is before the headphones.

I do accept that 'communications headphones' will do the job, but they 
are usually an effective low pass filter in combination with a full 
range set of headphone transducers.

73,
Don W3FPR

Wes Stewart wrote:
> I concur 100% with Brett (for a change).  Filtering should be done electronically where it can be controlled, not mechanically where all it does is add distortion.
>
> It was a revelation when I was first working EME in the early eighties and was still using some military "communications" headphones and I changed over to some Koss "hi-fi" phones and an in-line 200 Hz wide LC filter.  There were signals buried in that mush that was all I was hearing with the "communications" phones.
>
> Later I bought into the brand "H" hype and got a headset at my local ham emporium.  After about five minutes of listening, I took them back. They were simply awful!  I don't think much of the microphones either, even though they are wildly popular.
>
> It's hard to beat a nice passive LC brute force filter.  They can clean up a multitude of sins that we are presented with by the afterthought audio stages in modern transceivers.
>
> Wes  N7WS
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