[Elecraft] KPA 500 - and 50 Hz in Europe?
Richard Squire - HB9ANM
hb9anm at bluewin.ch
Sun Aug 1 05:10:53 EDT 2010
Hi Wayne and thanks for the info re KPA500 power supply
The toroid transformer in the KPA 500 takes up most of the space available
in the K3-sized cabinet and it is amazing that the developers managed to add
a linear regulator and even a 500W amp etc. – hi!
Now toroids are a bit "hard" on the inrush current and I guess some
soft-start device has been provided for.
But my main concern is this: Is the toroid rated in such a way that no
saturation/overheating will occur with the European mains frequency of 50Hz?
73
Richard
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Richard - HB9ANM
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