You need something like the Blue Icecycle. MXL did make a similar unit but I'm too lazy to perform the google search.

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I'm a little confused here? You have a tube powered condenser microphone? That's correct, they have their own power supply and they cannot be powered from a preamp or a console directly. So, I beg to question where you plugged your tube microphone into before? You had some place to plug it right? No? Oh I see... you think you need a tube condenser microphone and you want to know where to stick it? I could be a little more boorish, blatant, obscene in my answer but I don't think I'll go there because it smells funny?

I find that tube condenser microphones can sound pretty underwhelming when they are the less than $3500 each variety. Is this a microphone that just caught your eye or what? Somebody told you you needed that microphone? I don't even recommend that microphone. Why do you want that microphone? Why do you want any tube cheap condenser microphone? And if you already have that microphone, how come you don't know what to plug it into? This sounds to me like you're not really ready for a tube microphone? Just because you like your tube of toothpaste doesn't mean the microphone will freshen your breath.

You might find it more helpful to tell us what you actually want to do? I mean anybody who would sell you that microphone should be able to tell you where to stick that microphone. While the BLUE ICICLE will work for you, it's kind of a weird pairing with that microphone. I mean if you want that sweetness and resolution of a tube condenser microphone, might you want to record that in a format a little higher than standard definition? So that Icicle, will not offer more than 16 bit 44.1 kHz which is the same as a CD. Not what would be called high resolution today which would be 24-bit at 88.2/96 kHz where that Icicle, will only give you a cold shoulder. So something a tad better of a computer USB audio interface would make a heck of a lot of sense. You're really not making any sense. That's OK. You're new at this. But we here certainly don't want to hear about your bewilderment, when ya get that microphone in the audio interface working and find that your results are less than stellar. And then you can blame the equipment and in this case scenario, I'd agree. Really that's not entirely true. A salesman can tell you what to buy. We're here to ask what you should buy when you tell us what you want to do.

Dr. it hurts when I do this?
Mx. Remy Ann David