KPA500 with K3s

[Dave Sublette-2]

Good morning,

I am building the KPA500.  I have the K3s.  Can anyone explain, in simple
terms, what advantage there is in using the KPAK3AUX cable instead of just
using the Key Line cable?

Thanks,

Dave, K4TO
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[Dick Dievendorff-4]

See pages 15, 16, and 27 of the KPA500 Owner's manual for a description of
what the 15-pin ACC cable can do for you.

It amounts to band information both ways so the amp can switch bands from
the K3's band information before you provide RF, the KPA500 front panel band
buttons can bandswitch the K3, and K3 drive power can be set to two
different levels based on the amp's OPER/STBY switch. My K3 provides 30
watts when the amp is in OPER, and 100 watts when the amp is in STBY.

73 de Dick, K6KR



-----Original Message-----
From: [hidden email] <[hidden email]> On
Behalf Of Dave Sublette
Sent: Thursday, October 10, 2019 04:15
To: Elecraft Discussion List <[hidden email]>
Subject: [Elecraft] KPA500 with K3s

Good morning,

I am building the KPA500.  I have the K3s.  Can anyone explain, in simple
terms, what advantage there is in using the KPAK3AUX cable instead of just
using the Key Line cable?

Thanks,

Dave, K4TO
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[Mike Maloney]

 What is LENGTH of this cable?  
Mike AC5P
    On Thursday, October 10, 2019, 06:31:59 AM CDT, Dick Dievendorff <[hidden email]> wrote:  
 
 
See pages 15, 16, and 27 of the KPA500 Owner's manual for a description of
what the 15-pin ACC cable can do for you.

It amounts to band information both ways so the amp can switch bands from
the K3's band information before you provide RF, the KPA500 front panel band
buttons can bandswitch the K3, and K3 drive power can be set to two
different levels based on the amp's OPER/STBY switch. My K3 provides 30
watts when the amp is in OPER, and 100 watts when the amp is in STBY.

73 de Dick, K6KR



-----Original Message-----
From: [hidden email] <[hidden email]> On
Behalf Of Dave Sublette
Sent: Thursday, October 10, 2019 04:15
To: Elecraft Discussion List <[hidden email]>
Subject: [Elecraft] KPA500 with K3s

Good morning,

I am building the KPA500.  I have the K3s.  Can anyone explain, in simple
terms, what advantage there is in using the KPAK3AUX cable instead of just
using the Key Line cable?

Thanks,

Dave, K4TO
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[Larry (K8UT)]

Expanding on the "two different levels based on the amps OPER/STBY
switch" described by Dick, the cable enables those two levels per band.

For example, you can adjust the Operate level on 30 meters for a full
200 legal watts; 300 watts on 10, 15 and 30 into your TA33 Junior
tri-bander; and the amp's full output into your dipoles.

-larry (K8UT)

------ Original Message ------
From: "Dick Dievendorff" <[hidden email]>
To: [hidden email]; "'Elecraft Discussion List'"
<[hidden email]>
Sent: 2019-10-10 07:30:58
Subject: Re: [Elecraft] KPA500 with K3s

>
>See pages 15, 16, and 27 of the KPA500 Owner's manual for a description of
>what the 15-pin ACC cable can do for you.
>
>It amounts to band information both ways so the amp can switch bands from
>the K3's band information before you provide RF, the KPA500 front panel band
>buttons can bandswitch the K3, and K3 drive power can be set to two
>different levels based on the amp's OPER/STBY switch. My K3 provides 30
>watts when the amp is in OPER, and 100 watts when the amp is in STBY.
>
>73 de Dick, K6KR
>
>
>
>-----Original Message-----
>From: [hidden email] <[hidden email]> On
>Behalf Of Dave Sublette
>Sent: Thursday, October 10, 2019 04:15
>To: Elecraft Discussion List <[hidden email]>
>Subject: [Elecraft] KPA500 with K3s
>
>Good morning,
>
>I am building the KPA500.  I have the K3s.  Can anyone explain, in simple
>terms, what advantage there is in using the KPAK3AUX cable instead of just
>using the Key Line cable?
>
>Thanks,
>
>Dave, K4TO
>______________________________________________________________
>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 Message
>delivered to [hidden email]
>
>______________________________________________________________
>Elecraft mailing list
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>Post: mailto:[hidden email]
>
>This list hosted by: http://www.qsl.net
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>Message delivered to [hidden email]

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[Dave Sublette-2]

Good morning again,

Many thanks for all of the comments.  I now have a better idea of how this
cable works with the K3s.  FWIW, I did read the manual and my problem was
figuring out how to use all of this great capability.  Your information
helps a lot.

I will order the cable today.

73,

Dave, K4TO
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[Wes Stewart-2]

In addition to more power out, the second benefit of the KPA500 is the band
change buttons.

Wes  N7WS

On 10/10/2019 5:57 AM, Dave Sublette wrote:

> Good morning again,
>
> Many thanks for all of the comments.  I now have a better idea of how this
> cable works with the K3s.  FWIW, I did read the manual and my problem was
> figuring out how to use all of this great capability.  Your information
> helps a lot.
>
> I will order the cable today.
>
> 73,
>
> Dave, K4TO

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