Hi all,
The enjoyment of my new K3 was being severely compromised by an old
linear power supply whose fan sounded like an old vacuum cleaner and
whose transformer buzzed loudly in time with my cw at any powers above
about 20 watts.
So I decided to take a chance on a switcher and bought the Alinco
DM-330MW on offer at the moment in RadCom for 79.95ukp (RSGB members)
until the end of February. What a difference.....the silence is
deafening! I can now hear the K3's dulcet sidetone and a quick flick
across the bands has not shown up any obvious switching noise either.
It's small size and weight makes it an ideal companion to the K3 and the
duo would make a great combo for a field day or dxpedition. I'll reserve
final judgement until I've used it a couple of weeks and had a good
check for digital nasties but it looks very good so far.....
73,
Stewart Rolfe, GW0ETF (K3 #145)
PS - Anyone want to buy a Watson W-30AM power supply with built in
sidetone....?
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