K3:DSP Upgrade well worth it

[Craig-89]

Hi folks

I just completed the DSP upgrade  board swap. I would just like to say that its well worth it.   The K3 sounds much better and smoother.

The first impression  that you get is that the receiver sounds calm and quite. The harshness and sharp sound has mostly gone. The receiver does  not sound like it has excessive bass, nor does it sound hollow  or mushy.The receiver sounds very much like a very good analog receiver. It actually sounds warm, rich  and very  pleasing to the ears.

So for those thinking  about it, I would recommend that you do  the upgrade. This upgrade would be  especially applicable if you have very good hearing and notice all these artifacts that many have spoken about..

I have not measured anything, these are just anecdotal observations. Some people might  say  that these claims amount to audiophile  voodoo, however I am not a ESSB freak!  

Anyhow I am very happy with this voodoo upgrade!

73
Craig
VK3HE


     
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[Philippe Trottet]

Hi Craig,
Fully confirm your impression. Seems superior and weak signals ssb/cw more readible and less "agressive" to my ears.
Using an old Sony MDR7505 Headset
Bst 73's
Philippe A65BI
K3#3616

>>> Craig <[hidden email]> 23-05-2010 15:34 >>>
Hi folks

I just completed the DSP upgrade  board swap. I would just like to say that its well worth it.   The K3 sounds much better and smoother.

The first impression  that you get is that the receiver sounds calm and quite. The harshness and sharp sound has mostly gone. The receiver does  not sound like it has excessive bass, nor does it sound hollow  or mushy.The receiver sounds very much like a very good analog receiver. It actually sounds warm, rich  and very  pleasing to the ears.

So for those thinking  about it, I would recommend that you do  the upgrade. This upgrade would be  especially applicable if you have very good hearing and notice all these artifacts that many have spoken about..

I have not measured anything, these are just anecdotal observations. Some people might  say  that these claims amount to audiophile  voodoo, however I am not a ESSB freak!  

Anyhow I am very happy with this voodoo upgrade!

73
Craig
VK3HE


     
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[W8JI]

What serial numbers does this apply to????

What is changed?

That would be most important to people interested!!!


----- Original Message -----
From: "Craig" <[hidden email]>
To: <[hidden email]>
Sent: Sunday, May 23, 2010 7:34 AM
Subject: [Elecraft] K3:DSP Upgrade well worth it

> Hi folks
>
> I just completed the DSP upgrade  board swap. I would just
> like to say that its well worth it.   The K3 sounds much
> better and smoother.
>
> The first impression  that you get is that the receiver
> sounds calm and quite. The harshness and sharp sound has
> mostly gone. The receiver does  not sound like it has
> excessive bass, nor does it sound hollow  or mushy.The
> receiver sounds very much like a very good analog
> receiver. It actually sounds warm, rich  and very
> pleasing to the ears.
>
> So for those thinking  about it, I would recommend that
> you do  the upgrade. This upgrade would be  especially
> applicable if you have very good hearing and notice all
> these artifacts that many have spoken about..
>
> I have not measured anything, these are just anecdotal
> observations. Some people might  say  that these claims
> amount to audiophile  voodoo, however I am not a ESSB
> freak!
>
> Anyhow I am very happy with this voodoo upgrade!
>
> 73
> Craig
> VK3HE
>
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list:
> http://www.qsl.net/donate.html 

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[Joe Planisky]

See http://www.elecraft.com/order_form_parts.htm#K3%20Parts

Look for K3DSPUPGD

73
--
Joe KB8AP

On May 23, 2010, at 8:31 AM, Tom W8JI wrote:

> What serial numbers does this apply to????
>
> What is changed?
>

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[OE5CSP-Chris]

Craig, Philippe and the rest of the gang,

I also upgraded last week and I can confirm Craig´s and Philippe´s comments.The K3 simply sounds much nicer, warmer and less annoying and especially SSB, which was quite unpleasant to my ears(and yes,I played around with the settings many hours),is now far better than my back up Icom 761 with JPS NIR-12
DSP.

73, Chris-OE5CSP

[Bill K9YEQ]

The update has reduced the amount of "noise" my wife hears upstairs.  I know that sounds wild, but believe me it is totally worth it.  The sound quality of the radio with my external stereo speakers including subwoofer is very pleasant.

Bill
K9YEQ
K2 and KX1 field tester, K3 and modules

-----Original Message-----
From: [hidden email] [mailto:[hidden email]] On Behalf Of OE5CSP-Chris
Sent: Sunday, May 23, 2010 11:52 AM
To: [hidden email]
Subject: Re: [Elecraft] K3:DSP Upgrade well worth it


Craig, Philippe and the rest of the gang,

I also upgraded last week and I can confirm Craig´s and Philippe´s
comments.The K3 simply sounds much nicer, warmer and less annoying and
especially SSB, which was quite unpleasant to my ears(and yes,I played
around with the settings many hours),is now far better than my back up Icom
761 with JPS NIR-12
DSP.

73, Chris-OE5CSP
--
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[GW0ETF]

Anyone have any idea which bit of the complete upgrade makes such a significant difference..? I'm toying with the idea of the low pass filter part of the upgrade (K3DSPLPF) as I have no particular interest in enhanced low frequency response.

Or......has anyone fitted just the K3DSPLPF to an early DSP board and compared?

73,

Stewart, GW0ETF (K3 #145)

[Brendan Minish]

GW0ETF wrote:
> Anyone have any idea which bit of the complete upgrade makes such a
> significant difference..? I'm toying with the idea of the low pass filter
> part of the upgrade (K3DSPLPF) as I have no particular interest in enhanced
> low frequency response.

this is all I have done with my K3's and to my ears it's well worth
doing. Prior to this I had fitted a R/C Low pass filter to my headphones
because I found the HF artefacts irritating, i do have good ears though

73
Brendan EI6IZ
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