[Elecraft] KPA-500 110 or 220?

[Jim Bennett]

You are absolutely correct - less current, less wire heating, better voltage regulation. In my case all are offset by what the XYL would do to me if I told her I was going to have a 220V run going into one of our bedrooms! Ouch! :-)

Jim / W6JHB

On   Sunday, Aug 5, 2012, at  Sunday, 11:14 PM, Jim Brown wrote:

> On 8/5/2012 7:29 PM, NZ0T wrote:
>> I would like to hear opinions on if it makes any difference to configure the
>> KPA-500 for 220 volts?  Is it any more efficient?
> 
> The advantage of 240V operation is better voltage regulation, due to 
> half as much IR drop in the wiring between the breaker panel and your 
> power amp.
> 
> The obvious disadvantage is that you need to change back to 120V to run 
> the amp on a generator or from someone else's QTH.  It's a fairly simple 
> change -- you need to change the connector on the power cord (or use a 
> power cord with a different connector) and change the fuse holder.
> 
> I can't imagine running a power amp on Field Day -- it would be like 
> tossing a you know what in the punch bowl.
> 
> 73, Jim K9YC
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