[Elecraft] KPA500 Power Supply Environmental/Ergonomic Issue

KENT TRIMBLE k9ztv at socket.net
Wed Feb 1 12:17:01 EST 2017


Leave it to an environmentalist (I'll spare the engineers) to advocate 
the spending of thousands of dollars in redesigning something that can 
be fixed with a quick trip to a local hardware store for a $25 (or less) 
master kill-switch.

Kent, K9ZTV


>> There is one thing about the way it works that bugs the engineer and
>> environmentalist in me.
>>
>>
>> Why is the KPA500 designed this way?
>>
>> In all good conscience, I can't live with the PA consuming 7W all day,
>> every day - that's incredibly wasteful.  I suppose I could put a more-easily-reachable external AC power switch on
>> the side of my shelf unit to cut power to the whole desk, but that'd be
>> ugly.
>>
>> I'd prefer that either a) the KPA500's main power switch was on the front
>> panel, or b) the power supply system was redesigned so it only takes a few
>> microwatts when power is applied but the ON button is OFF (not pressed, or
>> pressed an even number of times).
>>
>>
>>



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