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Thread: Phantom power unit for TASCAM MX-80 rack mixer...

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    Phantom power unit for TASCAM MX-80 rack mixer...

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    I have an MX-80 rack mixer and would like to get phantom power connected. I'm curious about the experiences/thoughts/comments/etc. of other MX-80 users with this issue...

    Did TASCAM ever release a phantom power unit intended for the MX-80? Does anyone have such a unit or pics of one?

    I guess I'll start looking around for some DIY phantom power projects; it shouldn't take too much to construct a well regulated and filtered 48 Volt supply to run off a 12 Volt wall wart type transformer, right?

    Also, the phantom power is connected via an odd 2 pin XLR socket. Unfortunately, a standard 3-pin XLR won't work here as the 3-pin's holes don't line up with the pins on the 2-pin socket. Anyone know of any connectors (such as the 4 or 5 pin XLRs) which will work here?

    Any input much appreciated, thanks!

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    Arrow I always wanted to know that, myself.

    I've never seen or heard of an official Tascam phantom power unit.
    I think it's a DIY job.
    Quote Originally Posted by Lt. Bob
    ... subtleties of sound make a difference to those who really listen.

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    Thanks for the reply!

    That's interesting that they wouldn't have released one. I mean, what made them choose to use that funky XLR jack?

    Does anyone know what kind of current I can pump into the phantom jack? I'm wondering whether the current is reduced at each input via internal resistors inside the unit, meaning I could use a larger current supply and power many condensers at once. Or does it just go strait to the input, which will mean a smaller supply current, but will power less condensers at once?

    So many questions...
    Think I might contact TASCAM for some info. Hopefully they have schematics available for this thing...


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    Arrow You think...

    Tascam should have had a matching rack power supply that would supply phantom to one or more MX-80's simultaneously, but I've never heard of one or seen one. That doesn't mean it absolutely doesn't exist, but the only MX-80 I've seen with rack phantom power supply, it was a 3rd party or DIY unit, (I can't remember).

    As far as the funky 2-pin XLR, it's just another commercially available pin configuration for a connector. I think Tascam chose the 2-pin to differentiate the power from the mic inputs. The connected supply should have enough current to provide phantom power to all 8 inputs simultaneously, if needed. I can't remember if there are resistors in the phantom circuits for each mic, but they are switched.
    Quote Originally Posted by Lt. Bob
    ... subtleties of sound make a difference to those who really listen.

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