[Elecraft] K3s 100w Amplifier

[Ross Primrose]

Is the converse also true - Can the new KPA3A and KPAIO3A be installed 
in a K3?  If not, how long cen we expect to be able to get KPA3s?

73, Ross N4RP

On 5/19/2015 9:13 PM, Wayne Burdick wrote:
> "Joe Subich, W4TV" <lists at subich.com> wrote:
>
>> On 2015-05-19 5:02 PM, Wayne Burdick wrote:
>>> Actually it's four additional pins (was 6, now 10). This applies to
>>> P67B.
>> Are the pin assignments on P67B changed or is the connecter enlarged?
> The connector was enlarged.
>
>
>> In other words, can an existing KPA3 and KPAIO3 be installed in a K3S
>> without damage to either the K3S/10 or the KPAIO3?
> Yes.
>
>
>> What are the new output devices?
> That will be clear when the schematic is ready to be posted.
>
> 73,
> Wayne
> N6KR
>
>
>> 73,
>>
>>    ... Joe, W4TV
>>
>>
>> On 2015-05-19 5:02 PM, Wayne Burdick wrote:
>>> Actually it's four additional pins (was 6, now 10). This applies to P67B. There's a corresponding change to the KPAIO3A board.
>>>
>>> Since we changed to gold pins for all of these connectors, we haven't had any further issues with +12 VDC to the amplifier module. These extra pins are just for insurance.
>>>
>>> 73,
>>> Wayne
>>> N6KR
>>>
>>>
>>>
>>> On May 19, 2015, at 12:49 PM, John Reilly <reillyjf at comcast.net> wrote:
>>>
>>>> I heard a rumor at Dayton that the K3s had two additional pins to handle the current from the RF board, through the riser card, to the 100w amplifier.
>>>>
>>>> Can anyone confirm this?
>>>>   - 73, John, N0TA
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