[Amps] KPA1500 Efficiency vs. RF-Kit B26

[Jim]

If you waited that long, and paid that much for a radio, (why?) I guess 
your entitled to highly emphasize *K4.*

LOL

Thanks
73
Jim W7RY

On 7/14/2021 8:05 AM, Adrian wrote:
> Bill thanks for the link. I see 'Elecraft K4' highly emphasized in 
> font size, reflects
>
> perhaps your waiting time ?  What do you think, does the K4 meet 
> expectation's ?
>
> The amp probably uses a better quality quiet fans like Noctua etc ?
>
> Does it have PC control to allow remote use ?
>
>
> 73
>
>
> Adrian Fewster
>
> On 14/7/21 10:28 pm, Bill Steffey NY9H wrote:
>> been following this thread for a while... still waiting to see a 
>> comparison of KPA VS  RF-KIT .
>>
>> I do know MY RFkit is sitting directly in front of me in my 
>> console...and makes some noise at FT8 800-1000 watts,, some , not 
>> even a lot. On SSB I don't even hear the fans. The Huawai 3KW PS is 
>> 96% efficient to start... The pallet has a VERY different heat sink 
>> arrangement.
>>
>> bill ny9h/3                               console pix at qrz,com    
>> https://www.qrz.com/lookup/ny9h
>>
>>
>> On 7/13/2021 10:04 PM, john at kk9a.com wrote:
>>> And what is the KPA1500 fan noise level at 90°C?
>>>
>>> John KK9A
>>>
>>>
>>> VE7RF wrote:
>>>
>>> <When I'm contesting on HF, always at 1.5kW, I've seen temps at 90 
>>> C, the
>>> <fans run faster, I'm happy, and the amp is happy.
>>> <73, Jim K9YC
>>>
>>> ##  90 deg C ?   wtf?
>>>   90 deg C = 194 deg F !
>>>
>>> ##  Are u sure abt this ?   That's stupid for a LDMOS device. What is
>>> the ambient temp in the shack when this is  going on ?
>>>
>>> Jim   VE7RF
>>>
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