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Upper Limit of KPA-500

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Upper Limit of KPA-500

Wilson  Lamb
18 posts
I obviously have time on my hands.....
I have two K3, but they were bought used.  Am I qualified to be on the list?
One of them is the one originally reviewed by QST.
The concern with KPA-500 temperature and noise is amusing, given that the hardware is so expensive.
 For amps, I run 4-125As and 4-400As in several configurations, with most of the tubes at least 50 years old.
With either a pair of 125s or a single 400, I can run a KW, key down CW, all day.
The electric stove element I use for a dummy load gives off a pleasant warmth in winter.
The blowers are scrounged from microwave ovens, cost a few minutes of fun destruction.  Not much noise.
All the other components are legacies dating back to my childhood or collected through swaps or rescues from sheds and garages.
If I didn't have something to build, fix, or test I'd quit hamming, since watching for alarm lights on a black box is even less fun than watching reruns of Blue Bloods!
I do have one commercial amp, a Loudenboomer (1960?), from before the company was bought by Hallicrafters.  3-400Z tube, seems to be bulletproof.
73,
Wilson
W4BOH

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Re: Upper Limit of KPA-500

Don Wilhelm
3056 posts
Wilson,

Yes you are qualified to be on this list.
An interest in Elecraft gear is all that is needed to qualify.

73,
Don W3FPR

On 5/4/2020 10:57 AM, Wilson Lamb wrote:
> I obviously have time on my hands.....
> I have two K3, but they were bought used.  Am I qualified to be on the list?
> One of them is the one originally reviewed by QST.
> The concern with KPA-500 temperature and noise is amusing, given that the hardware is so expensive.
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