I must say that I respectfully disagree '99% of the time the fault lies between 
the chair and the radio'.
My comments are restricted to voice mode.  Alan's comments are related to 
comparison with Icom DSP radios.  K3's audio in voice mode (no matter how you 
set / adjust the RX EQ) is far inferior than Icom.
The reason behind is the artifacts from K3 DSP.  I am of the opinion that the 
audio (not internal speaker) from KX3 is more comparable to Icom.
While I am not young and over 50, I can still hear up to 12KHz.  Perhaps, this 
is the reason why I am very sensitive to DSP artifacts.
Johnny VR2XMC

      寄件人︰ Kevin <ksto...@ac0h.net>
 收件人︰ elecraft@mailman.qth.net 
 傳送日期︰ 2016年09月16日 (週五) 7:57 PM
 主題︰ Re: [Elecraft] K3 audio quality
This has been a complaint for the last nine years and 99% of the time 
the fault lies between the chair and the radio. Did anybody do a proper 
audio setup on the rig when it arrived or did it just get tossed on the 
desk and turned on? You need to go to W3FPR's website and take a look at 
the audio settings Don worked up on the original K3.

The K3(s) is a highly configurable radio.

To be fair stick an outboard speaker on the K3 and tweek the audio 
settings. Then again some people don't want to mess with radio settings. 
The "appliance operators" expect perfect this and perfect that and don't 
want to lift a finger to get it.

On 9/16/2016 6:04 AM, Alan. G4GNX wrote:
> Hi all.
> I wonder if I can get some feedback about K3 audio from the built in speaker. 
> Please note that this is not a K3 bashing session, my comments are made as an 
> enquiry based on observed facts.
> We have a K3 at the local Ham Radio club and we often get complaints that the 
> audio from the internal speaker is not very good quality, even when signals 
> are 5/9 and virtually no RF noise. I suspect that part of the reason is that 
> the K3 is setup to someone’s personal preference, or not really setup at all!
> We made a comparison last week against a new Icom IC7300 which  also had an 
> external speaker and the IC7300 ‘won’ hands down. At first I made an excuse 
> that it was the external speaker, but we unplugged it and the IC7300 was 
> still superior.
> I have never really had an issue with audio on my personal K3, but then I’m 
> into clear communication and over the years I’ve trained my ears to listen in 
> the noise and pick out voices, whilst ignoring the mush, much the same as in 
> a crowded room when attempting a conversation with one or two individuals.
> I do know what good hi-fi sound is but do not necessarily look for that in a 
> communications device, so are some members being over-pedantic?
> Another Radio Ham reported that he had by accident parked his new K3S under a 
> shelf which ‘threw’ the sound forward and he found that it was greatly 
> enhanced. I wonder if fitting some sort of hood, in keeping with the K3’s 
> style, would be worth trying, or maybe replacing the internal speaker with a 
> better device. I don’t really want to start campaigning to purchase an 
> external speaker for the K3 because it’s another ‘lump’ that needs to be 
> carted around to club meetings and events.
> Thoughts?
> 73,
> Alan. G4GNX

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