[Elecraft] Switching Power supplies for K2/100

[sheajohnw at aol.com]

You cannot go wrong with Astron.  Being limited in $$, I bought a 
Samlex 1223.  I have used the Samlex 1223 with my K2/100 for years 
without any problems.  My Samlex 1223 was involved in a bad house fire. 
  I had to open it and clean out all the smoke deposits and water.  
After being dried out, it has run FB for three years after the fire.

My K2 was the only HF rig recoverable after the fire.  I cleaned all 
the boards with alcohol and distilled water, replaced the melted 
buttons and knobs, and replaced the front panel.  It has also run FB 
for three years following the fire.  The reason it survived was its kit 
construction and operator repairable design.  The only other surviving 
radio was a Yaesu VX-5 HT that was in a leather case and found on the 
floor after the fire.  Both radios emitted a faint smoke odor upon 
their operation for two years after the fire.

Using a robust power supply is important.  Bad designs can itroduce QRM 
and cause strange behavior due to the slumping of their output under 
load.  It is important to use heavy power cords to your rig for the 
same reason.

 
John writes: 
 I'm sorry if this subject has been discussed (I'm sure it has) but 
 does anyone have advice re. a light wt. switching power supply for the 
 K2/100? 
 
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