[Elecraft] Crackling in Headphones

[Jim Bolit]

I have the same since I sent the rig  to Elecraft  for factory installation of  the new Syn boards and "full tune up".  The noise is as you say a crackling popping type noise

No idea

Jim
W6AIM





-------- Original message --------
From: john at kk9a.com
Date: 11/30/2015 4:03 AM (GMT-08:00)
To: elecraft at mailman.qth.net
Subject: [Elecraft] Crackling in Headphones

There are times that I have noticeupd a crackling sound in my headphones
with my K3S. This is not the normal band noise static that has depth, this
crackle sound seems very close to my ears.  I first noticed it with my
Heil headset and I tried wiggling the connection, changing the RX EQ
settings and turning on noise reduction but nothing had any effect. It
randomly comes and goes and I think I have also heard it on TX. I thought
perhaps it was related to the Heil brand headphones. Last night I plugged
in a new Sony professional headphone and the crackling sound was very
strong for a few minutes and then eventually went away. I have never
experience this with any other radio and I have no idea what is causing it
or how to make it go away.

John KK9

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