[AMPS] Dumb directly heated cathode amp operational questions

[Peter Chadwick]

Rich says:

>Matsushita Electric  is switching over to ''surface-wave''  bearings.  
>Life is about 5x that of ball bearings and they are virtually silent.  

OK Rich, I'll buy it. What the heck is a ''surface-wave''  bearing?

73 

Peter G3RZP



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