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Old 9th June 2012, 10:06 PM   #1
tvrgeek is offline tvrgeek  United States
diyAudio Member
Join Date: Dec 2009
Location: Md
Default Circuit for mic phantom power

I sort of shot myself in the foot and picked up a USB powered mic/ A2D ( M-audio, and I forgot to notice it does not have phantom power.

I have not tracked down any simple 5V DC to 48V phantom power circuits. I was thinking some simple oscillator and voltage doublers so I could power it from the USB power. I say a really fancy one with crystal based oscillator, but that seems rather excessive. Anyone worked out one? Otherwise, I'll just use an AC wall wart for the input, but not quite as portable as I wanted.
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Old 10th June 2012, 09:09 AM   #2
tvrgeek is offline tvrgeek  United States
diyAudio Member
Join Date: Dec 2009
Location: Md
Are two or three 9V batteries just as good? The Bheringer spec says 15V and I run my DIY Panasonic off 9.
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