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Old 29th September 2003
  #11
Lives for gear
 
matucha's Avatar
120V to 160V ... can't be good for the tube live. The Tubelife PSU works with 120V however.

And Tubelife PSU has sweepable polar characteristics control, or it has only 3 positions?

This is picture of my open UM57, I found some components to be different from picture somewhere on the web, so this is maybe why they sounds different from piece to piece.
Attached Thumbnails
need UM57 PSU (info)-um57_open_weba.jpg