I had assembled two K3 radios for friends that didn't believe they were
competent to do so. In doing this, I was able to use these radios for a
few weeks. I noted some artifacts regarding the receive audio and
elected not to purchase one for my station at that time.
Then came along the K3S with its advertised improvements. Namely in
receive audio. I opted to purchase one and I am totally delighted that
I waited. The RX audio performance is outstanding in all respects. I
know this is not the answer you wanted to read. However, Don, W3FPR
has an excellent paper on his site that details adjustments regarding
the K3 and its "noisy audio". Without a doubt, a correctly configured
radio will offer outstanding performance.
My 55 year ham history comes from a long line of Tentec, Kenwood, ICOM,
and Yaesu radios. Needless to say, I find the K3S is superior to
anything I've had access to use.
73
Bob, K4TAX
On 9/3/2018 8:48 AM, Bill wrote:
I have been using my K3/P3 since new in early 2013. Initially, I had a
devil of a time getting the RX audio to sound pleasing. Understand -
that is pleasing to me. There was always a high percentage of
background white noise.
Eventually, after a lot of experimentation, I settled on various EQ,
AGC, ATT, RF Gain etc. All this was to make it comfortable for
long-term armchair copy on 40, 75, and 160 meters. I also bought a
pair of Behringer MS40 speakers to improve things. All told, I was
relatively pleased with the results - - - until...... I bought an Icom
7300.
The 7300 is quiet. Nearly zero background noise - signals just jump
out. During the daytime it is close to that of 2-meter FM. Understand
that my QTH has nearly zero noise.
Where am I going with this? Simple - I am looking for suggestions on
eliminating the K3's white noise problem. Please do not email, as I am
sure I am not the only K3 user similarly interested. Sharing would be
great.
Thanks,
Bill W2BLC K-Line
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