Re: [Amps] switching power supply for tube amplifier

[Colin Lamb <k7fm@teleport.com>]

Someone mentioned that the vibrator might have been the first switching power 
supply, however I think the rotary spark gap might qualify.  

The advantages of the rotary spark gap is that it eliminates all solid state 
devices and tubes.  Maintenance is pretty straightforward.  With enough poles 
and high speed, might be able to get to 20 meters.  

No parasitic suppressors needed - and it is great to break pile ups.

73,  Colin  K7FM   
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