[Elecraft] KPA500 going into standby

[Gary Gregory]

I humbly suggest using the kpa utility and check the last few faults.
I suspect a spike in the ts-480 tx, a not uncommon occurrance from
experience using one here.
73

Gary
Vk1ZZ
K3, KPA500-FT, KAT500-FT
On 28/04/2015 10:23 AM, "Jack Brindle" <jackbrindle at me.com> wrote:

> The original poster indicated that his KPA500 was reporting 10 amps at 61
> volts. That gives a calculation of 610 watts input power.
> The amp was indicating 400 watts out, which means an efficiency of 65.6%,
> which is within the realm of believability for the KPA500.
>
> Not bad for our cute amplifier, eh?
>
> - Jack,  W6FB
>
>
> > On Apr 27, 2015, at 2:54 PM, Scott Manthe <scott.manthe at gmail.com>
> wrote:
> >
> > 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
> >>>
> >
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