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Phantom Power on a tube mic

Discussion in 'Microphones (live or studio)' started by thedug, Jun 14, 2002.

  1. thedug

    thedug Guest

    I was in a shop today testing preamps and the salesman freaked when I turned on phantom power(on mistake). We were using a tube mic, the rode NTK and he said that the phantom power would harm the tube in a tube mic's power supply. I have never heard this, is this true?

  2. adam_w1

    adam_w1 Guest

    Some tube mics have an external PSU of some kind, some 48v, some not and various crazy pin out schemes. The NTK has a dedicated PSU, so he was probably freaking out about you sending 48v TO the PSU from the desk. Of course, if the PSU is well designed, it will probably be OK, but not recommended.
  3. Kev

    Kev Well-Known Member

    Nov 13, 2001
    There is a problem with some Mic's but mostly I don't see the problem.

    The NTK probably has a TX output on that power supply just like the Clasic and the Classic II ...

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