[Elecraft] kpa1500?

Joe Subich, W4TV lists at subich.com
Sat Dec 13 10:01:30 EST 2014



On 2014-12-13 9:31 AM, Dan Baker wrote:
> My feature request is for a 500 W mobile version of the KPA500.

That's difficult due to the 12V requirement.  To do it right using 12V
capable transistors/FETS would take at least two and probably four
amplifier boards similar to the KPA500 with associated splitters and
combiners.  *Without tuner and power supply* would put the price
somewhere north of the KPA-500 just because of all the controls, heat
sinks, etc.  There is a reason that 12V capable transceivers do not
run more than 100W output (typically 2 x 60W or 2 x 80W transistors
in push-pull).

73,

   ... Joe, W4TV


On 2014-12-13 9:31 AM, Dan Baker wrote:
> My feature request is for a 500 W mobile version of the KPA500. I think
> the Mississippi company is the only one making a 500 watt mobile amp now.
> Seems like there is an opportunity to be had. I would gladly donate my
> ALS-500 to Wayne and Eric so they could see how not to build one.
>
> Dan KM6CQ
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