[Elecraft] KPA500 going into standby

[Scott Manthe]

Except that the output transistors run on 70 volts... 10 amps x 70 volts 
= 700 watts input, no?

73,
Scott, N9AA


On 4/27/15 5:46 PM, Ross Primrose wrote:
> Last I checked, 10A at 120V was 1200W....
>
> 73, Ross N4RP
>
> On 4/27/2015 5:41 PM, Milverton M. Swire via Elecraft wrote:
>> 400 WATTS Divided by 10 Amps input current?!!!!
>> The maths doesn't compute.
>>
>> ((((73)))) Milverton.
>>
>>        From: Jack Brindle <jackbrindle at me.com>
>>   To: tnnyswy at yahoo.com
>> Cc: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net>
>>   Sent: Monday, April 27, 2015 4:26 PM
>>   Subject: Re: [Elecraft] KPA500 going into standby
>>     I think you will find that 10 amps is about right for 400 watts. 
>> The KPA has incredibly good efficiency,
>> upwards of 60% or so, which supports the value.
>>
>> - Jack B, W6FB
>>