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pc board

  1. 3

    YAMAHA C80 & C85 PREAMP HEAT SINKS

    I have noticed the heat sinks in the C80 & C85 preamps have a threaded hole for a machine screw. My C80 & C85 do not have the screws that secure the sinks to the PC board & they do move a little although the solder connection is fine. I purchased them used so is this normal or has someone...
  2. Ronito6

    My PCB Fabricator thread opened in DIY forum: AU-X1 F-2772 PCB

    Happy New Year everyone!! I am seeking suggestions as to who provides quality PCB fabrication services for the humble hobbyist. Please see my thread about it here http://audiokarma.org/forums/index.php?threads/pcb-fabricator-opinion-and-suggestion-request.750469/ Its for a good cause. The...
  3. Richs_Trains

    Marantz PC board question / observation

    As I posted before I have a 2220b with a nasty power amp board, the foils were mostly non-existent from the factory and all of the components were install with the pins bent against the PC board. I purchased a used power amp board for this unit because once I worked on the old board I could not...
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