[Amps] 5 kw amps -- why?

[R.Measures]

On Oct 20, 2004, at 8:38 AM, Vic Rosenthal wrote:

> R.Measures wrote:
>
>> I bought this 195mph  Ferrari because it has no heating problems at 
>> 65mph.
>
> That's not a good analogy, Rich.  You bought the Ferrari because it 
> can accelerate faster in the 0-85 MPH range, because it handles well, 
> etc.

And it's easier to park than a Daimler-Chrysler Unimog.


> There are NO similar advantages to having 5KW plate dissipation 
> available in an amateur amplifier that is used at 1.5 KW output, if 
> the tubes are cooled properly.



>
> Actually, there is a possible advantage, but I don't know of anyone 
> actually doing it:  if you have an exciter that has a class-A mode for 
> low IMD, you could run the amp class-A as well, for super clean SSB.

In Class A, on a hot day, there would be an advantage.  The problem 
with Class A is finding a pristine-clean transceiver with which to 
drive it.  cheerz, Vic
>
> -- 
> 73,
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco
>
>
>

Richard L. Measures, AG6K, 805.386.3734.  www.somis.org