Posted by
Bill K9YEQ on
Feb 23, 2012; 8:00pm
URL: http://elecraft.85.s1.nabble.com/KX3-KX3-update-FT-tp7312824p7313019.html
Igor,
My hearing isn't perfect. Just ask my wife. I am using PC speakers, not
headphones. My environment has fan noise... but to me they sound very
similar, next to identical. I did not observe on a scope. YMMV.
73,
Bill
K9YEQ
KX3 Field Test #12
-----Original Message-----
From:
[hidden email]
[mailto:
[hidden email]] On Behalf Of Igor Sokolov
Sent: Thursday, February 23, 2012 1:49 PM
To:
[hidden email]
Cc: 'Elecraft'
Subject: Re: [Elecraft] [KX3] KX3 update FT
----- Original Message -----
From: Bill K9YEQ
>I do not generally use Software to run my Elecraft radios other than
>the macros. I work on >PCs/software for a living, so I love the
>options available with all the Elecraft radios. Like Greg, I >have
>mine sitting just above the pullout keyboard/Mouse tray in front of the
>K3. I have a easy to >reach antenna switch. I have listened to audio
>coming from both units without any signal >conditioning, filters, NB,
>NR, etc. Hard to tell the two apart on the PC stereo speakers. That is
>very sweet.
That is not quite what I was expecting. KX3 being SDR based should sound
better then K3 because KX3 should lack in band IMD caused by non linearity
of crystal filter. When I compare audio of my K3 with that of QS1R the
difference is pretty noticeable. Well, sooner or later someone will measure
in band IMD of KX3 and hopefully we will get objective data.
73, Igor UA9CDC
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