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Elecraft K3s Power Supply SS30DV

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John_N1JM

Elecraft K3s Power Supply SS30DV

I need a new power supply for my K3s or my other 13V 20 amp transceivers. Is
this one a good choice? Works well? Minimal RF hash?

73, John N1JM

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Joe Lynch

Re: Elecraft K3s Power Supply SS30DV

Dear John,
I found that the Powerwerx that Elecraft resells (see: Elecraft® Hands-On Ham Radio™) resells meets your requirements. It is also available from Powerwerx (see: Power Supplies | Powerwerx). I switched to it from my Astron power supply. I have detected no RF hash on my Elecraft products or on my IC 7300.
73,
Joe Lynch, N6CL

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On Tuesday, January 2, 2018 12:58 AM, John_N1JM <[hidden email]> wrote:

I need a new power supply for my K3s or my other 13V 20 amp transceivers. Is
this one a good choice? Works well? Minimal RF hash?

73, John N1JM

--
Sent from: http://elecraft.365791.n2.nabble.com/
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Elecraft mailing list

Re: Elecraft K3s Power Supply SS30DV

In reply to this post by John_N1JM

The strongest hash moves up and down 8the 80 meter band.. But my main objection is that it shuts down the KX3 at turn-on. I use it with the PowerWerx PG40S and a 12 volt battery. Whenever I forget to turn on the SS30 first, I have to repower the KX3 and then use the menu to switch the power amp back on.

The KX3 display briefly displays an overvoltage message.

Marc W8SDG

> On Jan 2, 2018, at 12:56 AM, John_N1JM <[hidden email]> wrote:
>
> I need a new power supply for my K3s or my other 13V 20 amp transceivers. Is
> this one a good choice? Works well? Minimal RF hash?
>
> 73, John N1JM
>
>
>
> --
> Sent from: http://elecraft.365791.n2.nabble.com/
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
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> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]

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mpupeza

Re: Elecraft K3s Power Supply SS30DV

In reply to this post by John_N1JM

My SS30DV has worked flawlessly for about 6 years on a variety of rigs and other
uses.
Contrary to the lack of such info, the actual voltage IS ADJUSTABLE with a small
potentiometer inside the unit.
However, there is a flaw in the unit. I use it at a condo on a beach of the
Atlantic Ocean in Cocoa Beach, Florida in the winters. The area around the rear
entrance for the air intake for the fan is totally rusted and the paint around
the vent is completely gone. There is, obviously, salt in the air, even though I
used it only inside, on the floor near the sliding glass door to the balcony.
While it is still working OK, I suspect that there is also corrosion inside the
unit, but hope that it doesn't cause a failure. A better antirust coating and/or
better paint job should be used. My K3 shows no corrosion nor rusting of any
parts, including inside. I did opt for the Stainless Steel Case screws in
construction.
Mike VE3EQP/W4 .....>
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Bob McGraw - K4TAX

Re: Elecraft K3s Power Supply SS30DV

In reply to this post by John_N1JM

I have the Astron SS30M which I find to be electrically quiet, excellent
regulation. The fan does cycle on and off from time to time and that is
noticeable.    I power 3 radios, not at the same time, from this
supply.   Originally it has the Pos and Neg connections where you insert
the wire and tighten the screw on the side.   I too 2 brass, 10-32
screws, 1 1/2" long, cut off the heads, filed a small flat spot on the
side at one end, inserted one of these in the connectors and tighten the
screws. Now I have two studs to which I can place several ring
terminals and secure with a wing nut.     From these I have the power
for 3 radios, SWR/Pwr meter, antenna tuner all attached.   I did add a
dedicated ground terminal to the rear of the supply.   This is the
common point for all of the station equipment ground bonding.

73

Bob, K4TAX

On 1/1/2018 11:56 PM, John_N1JM wrote:

> I need a new power supply for my K3s or my other 13V 20 amp transceivers. Is
> this one a good choice? Works well? Minimal RF hash?
>
> 73, John N1JM
>
>
>
> --
> Sent from: http://elecraft.365791.n2.nabble.com/
> ______________________________________________________________
> 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]
>

David Olean

Re: Elecraft K3s Power Supply SS30DV

In reply to this post by mpupeza

I had a similar bad weather situation with my VHF operating in VHF
contests. The 144 MHz position was next to the door that went outside,
and the shack was alone on a rocky hilltop. It was 26 miles from the
ocean, so very little salt air, but the door was usually open and fog
and humidity was a recurring event. I always noticed that the 144 laptop
would crap out quite often. Any other computer up there would work OK,
but that unit near the open door would always fail. (usually a bad
keyboard or bad hard drive.) I also had rusty screws on the K3 which was
also close to that open door.

Dave K1WHS

On 1/2/2018 2:00 PM, mpupeza mpupeza wrote:

> My SS30DV has worked flawlessly for about 6 years on a variety of rigs and other
> uses.
> Contrary to the lack of such info, the actual voltage IS ADJUSTABLE with a small
> potentiometer inside the unit.
> However, there is a flaw in the unit. I use it at a condo on a beach of the
> Atlantic Ocean in Cocoa Beach, Florida in the winters. The area around the rear
> entrance for the air intake for the fan is totally rusted and the paint around
> the vent is completely gone. There is, obviously, salt in the air, even though I
> used it only inside, on the floor near the sliding glass door to the balcony.
> While it is still working OK, I suspect that there is also corrosion inside the
> unit, but hope that it doesn't cause a failure. A better antirust coating and/or
> better paint job should be used. My K3 shows no corrosion nor rusting of any
> parts, including inside. I did opt for the Stainless Steel Case screws in
> construction.
> Mike VE3EQP/W4 .....>
> ______________________________________________________________
> 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]
>

John_N1JM

Re: Elecraft K3s Power Supply SS30DV

In reply to this post by John_N1JM

Thanks for all your comments and suggestions on and off the mailing list. I'm
probably going to bite for the Elecraft version.

73, John N1JM

John_N1JM wrote

> I need a new power supply for my K3s or my other 13V 20 amp transceivers.
> Is
> this one a good choice? Works well? Minimal RF hash?
>
> 73, John N1JM
>
>
>
> --
> Sent from: http://elecraft.365791.n2.nabble.com/
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
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> Elecraft@.qth

>
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> lists+1215531472858-365791@.nabble

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