[Elecraft] [Elecraft K3] Volume Level with NR

[JAMES ROGERS]

I second that. I ran it though all the NR selections and it performed  
admirably for me. I could not duplicate the problem here.

73s Jim, W4ATK
On Oct 4, 2010, at 4:54 PM, W4GRJ wrote:

> Dale,
>
> Just for reference, my experience with the K3 NR is outstanding. I  
> cannot
> notice any reduced volume on the tuned signal. The NR on my K3 does  
> a great
> job of whacking out the noise without effecting the signal level.
>
> You may need to do some checking of settings and calibration, I am  
> sure
> there are folks here that can help you.
>
> Jack
> W4GRJ
>
>
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Dale Wiese
> Sent: Monday, October 04, 2010 2:31 PM
> To: Elecraft Email
> Subject: Re: [Elecraft] Volume Level with NR
>
> Wayne,
>
> I am going to disagree - I think its a real issue, and an area for K3
> improvement.  While I have not been to Jim's shack to hear what he is
> hearing, it  sounds like what I have always observed, at least for SSB
> reception.   Engaging the NR significantly reduces the overall audio  
> level.
>
> When I engage the NR on my MkV or FT-847, the band noise drops away,  
> but the
> perceived volume of the monitored voice stays about the same.  It is  
> rare
> that I need to touch the volume control.  Yaesu NR is reasonably  
> effective
> for turning a marginal signal into something that can be copied, and  
> turning
> a strong signal with high band noise into something more pleasant to  
> listen
> to.
>
> On the K3, engaging the NR in SSB drops both the noise and the  
> apparent
> voice level substantially, requiring that the volume control be  
> turned up [a
> lot]  to copy the voice.   But then the noise is also increased.
> Frequently it feels like the NR has done little to no good, but it  
> is hard
> to tell.  Perhaps the ratio between the band noise and the desired  
> signal is
> improved, but overall I would say its not.  Or not very much.
>
> The NR difference on SSB between the K3 and the Yaesu products I  
> have used
> is large, and the K3 loses.  It is the _only_ K3 feature I find  
> which is
> sub-par, and only for SSB - NR for CW seems much more effective.
>
> 73,
> Dale
> N9XD
>
>
> On Oct 4, 2010, at 9:13 AM, Wayne Burdick wrote:
>
>> Jim,
>>
>> Some drop in apparent volume level is typical with NR. Part of the
>> drop is due to the removal of noise. Part of it may be a
>> psychoacoustic effect (sorry, I'm not an expert on this).
>>
>> You might also try setting F5-1. Settings from F5-x to F8-x use a
>> different algorithm.
>>
>> 73,
>> Wayne
>> N6KR
>>
>>
>> On Oct 4, 2010, at 9:04 AM, Jim Harris wrote:
>>
>>>
>>> Hi,
>>>
>>> I've noticed recently that when I press NR the volume level drops
>>> what could be called a considerable amount.  I normally use NR
>>> setting of F-1-1 or -2.  More than that tends to almost mute the
>>> receiver.  I find that the volume control needs to be increased
>>> about 70 degrees or so to give the same loudness as before the NR
>>> was pressed with the above settings.  I have to manually change the
>>> volume every time I engage or disengage the NR.  I realize that most
>>> likely there should be some decrease in loudness but this seems to
>>> be excessive.
>>>
>>> Does anyone have any meaningful experience or recommendations they
>>> can pass along.
>>>
>>> Thank you.
>>>
>>>
>>> Take Pride in the USA!
>>>
>>> 73,  Jim, W0EM
>>>
>>>
>>> 		 	   		
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