yamaha c4

  1. Mat86

    Replacing a headphone jack? (C-4)

    So long story short, last summer I tripped over a headphone cable, destroying both the headphone plug, cable, and the amp's jack. I was able to repair everything involved in the crash, using some krazy glue and baking soda to get the plastic housing back together. As you can see in the pics, the...
  2. Jake O Bob

    Yamaha C4 phone jack connector

    Trying to replace a phone jack that has a cracked enclosure on my C4 preamp. I ordered a new one from mouser but not sure if it's going to work since it only has 7 pins. I'm not able to find one with 9 pins like the original. Is there a way to still use the new 7 pin version without loosing...
  3. D

    Yamaha C4

    I am needing a full recap on a Yamaha C4. Any recommendations and potential cost? I am in TN.
  4. OldSubSailor

    Yamaha C4 control noise is making me crazy(er)

    About a year ago after years of saying "some day" I went all through my Yamaha C4 preamp replacing tons of caps. When it's working cleanly I've fallen in love with it again.... BUT there is one thing I couldn't effectively address that keeps popping up, especially if I've not used it recently...
  5. OldSubSailor

    I need a CLEAR component locator diagram ... C4 preamp

    I have a copy of the service manual for my Yamaha C4 preamp which is the same one I've found following several links on the web. However the scan is too fuzzy to read some of the detail on the really busy pages. Specifically I need to be able to locate the parts on the Function board...
  6. D

    Another Yamaha C4 needs help (and so do i!)

    Hello, I've read through alot of "C4" content on this board and there is huge competence in this board to be found on that topic - so I figured it would be a good idea to ask for assistance for my C4. I believe its the north-european version (I'm located in Germany). I've got a C4 laying...
  7. m3gunner

    Any leads on parts for a C-4

    Hi all, I've recently gotten a C-4 that has no feet... and I have no idea what feet are appropriate for this unit. Any ideas or leads would be appreciated. thanks, Jamie
  8. Edu1985

    Yamaha C4 resistors add

    I was marking the signal elextrolitical caps when i have observed 2 resistors added in the right channel 30v +_ it seems in the place of the resistors should have been bridge wires but someone putted there these 1w resistirs.i think they are 330 ohm .in the left chnannel it has no resistors and...
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