Date   

Re: K3s 400 Hz filter differences...

Clay Autery
 

Probably not something I will ever notice EVEN IF/WHEN I finally get set up for diversity receive... But it really bothers me that they are "different" in a fundamental way.
The curse of borderline OCD...  <wink>

73, and thanks for the response!

______________________
Clay Autery, KY5G
(318) 518-1389
On 01/14/20 06:32, Bill Maddock via Groups.Io wrote:

Clay,

As far as diversity receive, the 2 different filters should work fine. The offset on 6 pole will guaranty that both signals are on same frequency and have same tone. As far as one being  8 pole and the other 6 pole, yes the curve on the filter will be different. I doubt very seriously that it will hurt the diversity recieve.

73 Bill WW5M 




On Tuesday, January 14, 2020, 6:26 AM, Everett N4CY via Groups.Io <everettsharp@...> wrote:

Vibroplex bought INRAD, that is why it now has the Vibroplex name.

> On Jan 14, 2020, at 6:15 AM, Clay Autery <KY5G@...> wrote:
>
> Vibroplex




Re: K3s 400 Hz filter differences...

Clay Autery
 

Yes, I discovered that about 2 minutes ago while looking at INRAD.net to see if the 8-pole 400Hz was still available...  It is, BTW...

Wonder why the switch from 8-pole to 6-pole?

Cheaper to make? New synths don't "need" them?  Less need for higher gain compensation?

73,

______________________
Clay Autery, KY5G
(318) 518-1389
On 01/14/20 06:26, Everett N4CY via Groups.Io wrote:

Vibroplex bought INRAD, that is why it now has the Vibroplex name. 

On Jan 14, 2020, at 6:15 AM, Clay Autery <KY5G@...> wrote:

Vibroplex



Re: K3s 400 Hz filter differences...

Bill Maddock
 

Clay,

As far as diversity receive, the 2 different filters should work fine. The offset on 6 pole will guaranty that both signals are on same frequency and have same tone. As far as one being  8 pole and the other 6 pole, yes the curve on the filter will be different. I doubt very seriously that it will hurt the diversity recieve.

73 Bill WW5M 




On Tuesday, January 14, 2020, 6:26 AM, Everett N4CY via Groups.Io <everettsharp@...> wrote:

Vibroplex bought INRAD, that is why it now has the Vibroplex name.

> On Jan 14, 2020, at 6:15 AM, Clay Autery <KY5G@...> wrote:
>
> Vibroplex




Re: K3s 400 Hz filter differences...

Everett N4CY
 

Vibroplex bought INRAD, that is why it now has the Vibroplex name.

On Jan 14, 2020, at 6:15 AM, Clay Autery <KY5G@...> wrote:

Vibroplex


K3s 400 Hz filter differences...

Clay Autery
 

The 400Hz filter on my Main RX is an Elecraft (by INRAD) 8-pole filter in a Faraday cage and no offset.
The 400Hz filter I just received for my SubRX  is an Elecraft (by Vibroplex?) that is a 6-pole filter with no Farady cage AND it has a -0.71 kHz offset.

I called support when I saw the obvious differences, and they said, "Don't worry about it.  Enter the SubRX offset exactly as on the crystal (no averaging with the [supposed] 0.00 offset on the 8-pole filter), and let the new Synthesizers do the heavy lifting." or words to that effect.

I hear what was said, and I don't want to come off like I don't trust what I was told....  But something simply is not sitting right with me on this.... a 6-pole "matched" with an 8-pole?  No offset averaging?  What about the difference in the skirts between a 6-pole and an 8-pole.... Aren't the cutoffs and cutoff rates different?  I realize that things change, and that perhaps the instructions for averaging the offsets is not applicable here... (though I don't yet understand why)

Can someone clear this up for me so even I can understand it.

Seems to me that I either need to get a matching INRAD-made 8-pole, or buy another of these new parts and try to get it matched.

Want to move on this, because IF I am going to have a hope in getting a "matching" 6-pole (new stock) 400 Hz filter, I need to try and do so from within the same batch that the one I just bought came from.
The prospect of finding an "by INRAD" 8-pole available on the market seems much less likely...

Obviously, I am operating on a number of assumptions here... which is why I am asking...


73

______________________
Clay Autery, KY5G
(318) 518-1389


Re: speakers

Kent Trimble, K9ZTV
 

I guess it's different strokes for different ear-drums, but I've used a wood-encased Radio Shack Minimus-17 on my office desk with various transceivers for over 30 years and it is excellent.

73,

Kent  K9ZTV


On 1/13/2020 7:44 AM, Everett N4CY via Groups.Io wrote:
Hi Charlie,

I have two sets of the  Radio Shack Optius speakers and I can tell you they are crap compared to the SP3 speakers. I have had Icom and Kenwood speakers and they are crap compared to the Elecraft SP3. I have 2 of the SP3 speakers, one in use and the other new in box. So you might want to listen to a SP3 to see for yourself. However, if you have a tin ear then speaker quality makes no difference. 

Everett N4CY

On Jan 13, 2020, at 7:00 AM, Charlie T, k3ICH <pincon@...> wrote:



I think all y’all * are crazeee to spend that much on a speaker.

Just look around your next hamfest for any of the little Radio Shack “Optimus”  or “Minimus” bookshelf speakers.

I typically find them for about five bucks.

Even if the speaker itself is blown, good replacements are available (At Newark/MCM or Parts Express) for a couple bucks too.

 

They have a reasonably flat response, are metal or solid wooden cased, no cabinet resonances, small size and sound GREAT.

 

73’ Charlie k3ICH

 

*”Y’all”  is singular

“All y’all”  is plural

 

 

From: Elecraft-K3@groups.io <Elecraft-K3@groups.io> On Behalf Of Everett N4CY via Groups.Io
Sent: Monday, January 13, 2020 6:20 AM
To: Elecraft-K3@groups.io
Subject: Re: [Elecraft-K3] internal tuners sold out

 

Dale,

 

If you want a SP3, save yourself some money. I will sell mine, new in opened box for $190. No shipping cost, or sales tax. $190 to your door and I will take PayPal, or a personal check. 

 

Everett N4CY



 



Re: CW Noise Pedestal

Rob Sherwood
 

N0QO and I found the issue on transmit and reported it to Wayne.  I didn’t know there was an issue on receive.  Rob, NC0B


On Jan 13, 2020, at 1:35 PM, wb6bee <wb6bee@...> wrote:

Hi Drew

This is on a K3s, so it should have the modification (unless there is a component/solder failure)

On the comment, I was going off the description on the Elecraft site  pasted in below:

Early K3S/100 and K3/100 with KSYN3A boards. Modification to reduce receiver noise generated by fans. Included on all new K3S radios.

 

KPAIO3MDKT Installation Instructions


Re: CW Noise Pedestal

Wes
 

Except if you actually look at those instructions you'll see otherwise.

"This modification applies only to K3S transceivers equipped with the KPA3A 100 watt power amplifier, serial
numbers 10732 (factory assembled), 10728 (kits) or below, and to all K3 transceivers with the KPA3 power
amplifier that have been upgraded with KSYN3A synthesizers."

Wes  N7WS


On 1/13/2020 1:35 PM, wb6bee wrote:
Hi Drew

This is on a K3s, so it should have the modification (unless there is a component/solder failure)

On the comment, I was going off the description on the Elecraft site  pasted in below:

Early K3S/100 and K3/100 with KSYN3A boards. Modification to reduce receiver noise generated by fans. Included on all new K3S radios.

 

KPAIO3MDKT Installation Instructions



Re: speakers

southdaleus
 

I've got speakers those you mentioned and others, but the Elecraft SP-3 sounds like what I want to hear plus it is easy to drive, I don't have to turn up the volume   It's a great speaker  IMHO

Dale K9VUJ


Re: internal tuners sold out

southdaleus
 

Everett, 

Thanks for the offer but you are a couple hours too late.  I ordered a new one and the closer tolerance TCXO.  

And yes I got the shipping cleared up.  I go  with USPS two day...

73
Dale, K9VUJ


Re: CW Noise Pedestal

wb6bee
 

Hi Drew

This is on a K3s, so it should have the modification (unless there is a component/solder failure)

On the comment, I was going off the description on the Elecraft site  pasted in below:

Early K3S/100 and K3/100 with KSYN3A boards. Modification to reduce receiver noise generated by fans. Included on all new K3S radios.

 

KPAIO3MDKT Installation Instructions


Re: FS Elecraft K3/100, P3, K3/0 Mini & RRC units

Ray Maxfield
 

I will take the P3 if it is not spoken for  Thanks Ray WA6VAB

 

From: David Mackey
Sent: Monday, January 13, 2020 11:13 AM
To: Elecraft-K3@groups.io
Subject: [Elecraft-K3] FS Elecraft K3/100, P3, K3/0 Mini & RRC units

 

Elecraft K3/100   S/N 4658 with all upgrades to K3S

Filters: 2.8 kHz 8 pole, 1.8 kHz 8 pole, 400 Hz 8 pole, 250 Hz 8 pole

KRX3 Sub-receiver, 2.7 kHz 5 pole -.89, 250 Hz 8 pole filters

KSYN3UPG KSYN3A Upgraded Synthesized boards (2) (K3S type)

KIO3B Upgraded I/O Module (K3S type)

KAT3 100W Auto Tuner

KDVR3 Digital Voice Recorder

KXV3 Interface Option 

Power Supply

cable, manuals & original box

Looks new, non-smoking environment

$2200 + shipping

 

P3 Panadaptor  S/N 549 

cables & manuals

Looks new, non-smoking environment

$375 + shipping

 

K3/0 Mini S/N 405 

Includes Remote Rig RRC 1258 MKII units for both control and remote

cables & manuals

Looks new, non-smoking environment

$450 + shipping

 

Package price for all three items $2750 + shipping

Estate Sale for K1GW

Dave K1KA

k1ka@...

 

 


FS Elecraft K3/100, P3, K3/0 Mini & RRC units

David Mackey
 

Elecraft K3/100   S/N 4658 with all upgrades to K3S

Filters: 2.8 kHz 8 pole, 1.8 kHz 8 pole, 400 Hz 8 pole, 250 Hz 8 pole

KRX3 Sub-receiver, 2.7 kHz 5 pole -.89, 250 Hz 8 pole filters

KSYN3UPG KSYN3A Upgraded Synthesized boards (2) (K3S type)

KIO3B Upgraded I/O Module (K3S type)

KAT3 100W Auto Tuner

KDVR3 Digital Voice Recorder

KXV3 Interface Option 

Power Supply

cable, manuals & original box

Looks new, non-smoking environment

$2200 + shipping

 

P3 Panadaptor  S/N 549 

cables & manuals

Looks new, non-smoking environment

$375 + shipping

 

K3/0 Mini S/N 405 

Includes Remote Rig RRC 1258 MKII units for both control and remote

cables & manuals

Looks new, non-smoking environment

$450 + shipping

 

Package price for all three items $2750 + shipping

Estate Sale for K1GW

Dave K1KA

k1ka@...

 


Re: internal tuners sold out

Chuck Miller
 

Wayne, sent you an email.
Thanks,
Chuck
N0NC


Re: internal tuners sold out --- Elecraft criticism

Chuck Miller
 

Bill;
I'm the Original poster, and in no way was I criticizing Elecraft. I think they are a great company and hope they stay in business for a long time. I was only upset at myself, I procrastinated about ordering the internal tuner, and missed my chance to buy it.

73,
Chuck
N0NC


Re: CW Noise Pedestal

Drew Vonada-Smith K3PA
 

Don,

He is talking about this mod, which is for TX.

https://ftp.elecraft.com/K3/Manuals%20Downloads/E740287%20KPAIO3MDKT%20Instructions.pdf

73,

Drew K3PA


Re: speakers

Wes Stewart
 

I have seven of them around here (don't know where the 8th one went).  I find them at estate sales and buy them on general principles.

Wes  N7WS

On Monday, January 13, 2020, 6:00:46 AM MST, Charlie T, k3ICH <pincon@...> wrote:


I think all y’all * are crazeee to spend that much on a speaker.

Just look around your next hamfest for any of the little Radio Shack “Optimus”  or “Minimus” bookshelf speakers.

I typically find them for about five bucks.

Even if the speaker itself is blown, good replacements are available (At Newark/MCM or Parts Express) for a couple bucks too.

 

They have a reasonably flat response, are metal or solid wooden cased, no cabinet resonances, small size and sound GREAT.

 

73’ Charlie k3ICH

 

*”Y’all”  is singular

“All y’all”  is plural

 

 

From: Elecraft-K3@groups.io <Elecraft-K3@groups.io> On Behalf Of Everett N4CY via Groups.Io
Sent: Monday, January 13, 2020 6:20 AM
To: Elecraft-K3@groups.io
Subject: Re: [Elecraft-K3] internal tuners sold out

 

Dale,

 

If you want a SP3, save yourself some money. I will sell mine, new in opened box for $190. No shipping cost, or sales tax. $190 to your door and I will take PayPal, or a personal check. 

 

Everett N4CY



 


Re: speakers

Charlie T, k3ICH
 

Yep, that must be it.

I guess I have a tin ear, whatever that means.

C

 

 

From: Elecraft-K3@groups.io <Elecraft-K3@groups.io> On Behalf Of Everett N4CY via Groups.Io
Sent: Monday, January 13, 2020 8:44 AM
To: Elecraft-K3@groups.io
Subject: Re: [Elecraft-K3] speakers

 

Hi Charlie,

 

I have two sets of the  Radio Shack Optius speakers and I can tell you they are crap compared to the SP3 speakers. I have had Icom and Kenwood speakers and they are crap compared to the Elecraft SP3. I have 2 of the SP3 speakers, one in use and the other new in box. So you might want to listen to a SP3 to see for yourself. However, if you have a tin ear then speaker quality makes no difference. 

 

Everett N4CY



On Jan 13, 2020, at 7:00 AM, Charlie T, k3ICH <pincon@...> wrote:



I think all y’all * are crazeee to spend that much on a speaker.

Just look around your next hamfest for any of the little Radio Shack “Optimus”  or “Minimus” bookshelf speakers.

I typically find them for about five bucks.

Even if the speaker itself is blown, good replacements are available (At Newark/MCM or Parts Express) for a couple bucks too.

 

They have a reasonably flat response, are metal or solid wooden cased, no cabinet resonances, small size and sound GREAT.

 

73’ Charlie k3ICH

 

*”Y’all”  is singular

“All y’all”  is plural

 

 

From: Elecraft-K3@groups.io <Elecraft-K3@groups.io> On Behalf Of Everett N4CY via Groups.Io
Sent: Monday, January 13, 2020 6:20 AM
To: Elecraft-K3@groups.io
Subject: Re: [Elecraft-K3] internal tuners sold out

 

Dale,

 

If you want a SP3, save yourself some money. I will sell mine, new in opened box for $190. No shipping cost, or sales tax. $190 to your door and I will take PayPal, or a personal check. 

 

Everett N4CY




 


Re: CW Noise Pedestal

wb6bee
 

Roger

This is sideband noise on Transmit not receive.   That mod appears to be for RX (or that's what is said).   I am also experiencing this with the K3s (that supposedly has the fan/cap modification.

Thanks

Don


Re: speakers

Everett N4CY
 

Hi Charlie,

I have two sets of the  Radio Shack Optius speakers and I can tell you they are crap compared to the SP3 speakers. I have had Icom and Kenwood speakers and they are crap compared to the Elecraft SP3. I have 2 of the SP3 speakers, one in use and the other new in box. So you might want to listen to a SP3 to see for yourself. However, if you have a tin ear then speaker quality makes no difference. 

Everett N4CY

On Jan 13, 2020, at 7:00 AM, Charlie T, k3ICH <pincon@...> wrote:



I think all y’all * are crazeee to spend that much on a speaker.

Just look around your next hamfest for any of the little Radio Shack “Optimus”  or “Minimus” bookshelf speakers.

I typically find them for about five bucks.

Even if the speaker itself is blown, good replacements are available (At Newark/MCM or Parts Express) for a couple bucks too.

 

They have a reasonably flat response, are metal or solid wooden cased, no cabinet resonances, small size and sound GREAT.

 

73’ Charlie k3ICH

 

*”Y’all”  is singular

“All y’all”  is plural

 

 

From: Elecraft-K3@groups.io <Elecraft-K3@groups.io> On Behalf Of Everett N4CY via Groups.Io
Sent: Monday, January 13, 2020 6:20 AM
To: Elecraft-K3@groups.io
Subject: Re: [Elecraft-K3] internal tuners sold out

 

Dale,

 

If you want a SP3, save yourself some money. I will sell mine, new in opened box for $190. No shipping cost, or sales tax. $190 to your door and I will take PayPal, or a personal check. 

 

Everett N4CY