[Moon] 5F20RA

Wolfgang Schlaffer dl5mae at yahoo.de
Wed Dec 7 15:21:53 CET 2016


Hello All, 

anyone can help me with a data-sheet of the 5F20RA  Tetrode (i.e. pdf)   and    a  data  sheet (pdf. dimensions)  of  a  socket  of  this  tube ?!

I think it is japanese tube. 

Is it  100%   identical to 4cx250B  or  SRL 460  ? 

Or are there maybe  small differences in dimensions  (i.e.  tube socket) ? 

My japanese is not good enough to find the details on Google...

tnx arigato!  de DL5MAE WOlfgang



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