Home Forums General Discussion & Questions Moving coil – step up with B&O trafo

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  • #50508
    classic
    FOUNDER Member

      B&O Moving Coil stepup transformer.
      Type: U25/10 4068
      The B&O MC stepup transformer is not known to many people and there is a good reason. B&O never produced MC cartridges and B&O never produced a transformer which they called MC stepup transformer.
      But B&O have produced many stepup transformers for microphones. Really high-quality transformers like the Swedish Lundal transformers.
      The B&O microphone transformers can be used as a Moving Coil stepup transformer and with an excellent sound.
      The stepup specification are:
      1:16
      1:8
      This can be set by jumpers.
      The setup transformer is of course for MC cartridges with medium to high output like a some of the Ortofon cartridges.

      Where can you find these transformers?
      They are standard in all Beolab 5000 amplifiers of 1967.

      #50509
      classic
      FOUNDER Member

        Photo’s

        MC1

        MC2-scaled

        #50510
        hcraig244
        SILVER Member

          must be these two fellows………

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