[Elecraft] K3 power amp 2SC2782

[K9MA]

I've always felt that the KPA3 in my K3 was marginal.  For example, I've 
never been able to get more than about 80 W out of it on 15 meters. (And 
that's at about 14.5 V) Is the KPA3A any better?

73,
Scott K9MA

On 1/5/2019 15:23, Robert Friess wrote:
> Hank,
>
> The 2SC2782 is not internally matched and is the only part ever used in the
> KPA3.  The KPA3A uses MOSFETs.
>
> 73,
> Bob, N6CM
>
> On Sat, Jan 5, 2019 at 11:04 AM HP <pfizenmayer at q.com> wrote:
>
>> Anyone know if the Toshiba 2SC2782 transistors used in the K3 power amp
>> have internal matching (mos cap and wirebonds ) ?
>>
>> Or did the K3 power amp ever use Motorola MRF247 transistors ?
>>
>>
>> Hank K7HP
>>
>> ______________________________________________________________
>>

-- 
Scott  K9MA

k9ma at sdellington.us