hv20 - only phantom power mics? at DVinfo.net

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Canon VIXIA Series AVCHD and HDV Camcorders
For VIXIA / LEGRIA Series (HF G, HF S, HF and HV) consumer camcorders.


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Old December 12th, 2007, 04:46 PM   #1
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hv20 - only phantom power mics?

I have been trying to get a computer mic (1/8 stereo) and another mic (similar) to work with my HV20, but it doesn't seem to work. BUT when I use my XLR mic (with battery power), it works fine. I find this a bit strange when I have two older model camcorders that ALL the mics work fine with...

Is the HV20 only capable of external mic with phantom power? Is there a switch or something that I missed?

Thanks
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Old December 12th, 2007, 05:07 PM   #2
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Good question. I wonder about that too. I just realized all my mini plug mics do have battery power, and I have never tried a computer mic I have on the HV20, or any other camera with a miniplug. So that raises the question as to whether the computer supplies phantom power through the miniplug for computer mics..
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Old December 12th, 2007, 05:24 PM   #3
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Would you mind checking for me Chris? Thanks
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Old December 12th, 2007, 06:00 PM   #4
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I'll check it out this evening..
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Old December 15th, 2007, 09:17 AM   #5
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Chris, did you have a chance to test it yet?
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Old December 15th, 2007, 01:18 PM   #6
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Some computer mics require external power provided over the audio cord by the computer audio card. (And some camcorders do provide this power, but Canons do not). The HV-20 does NOT provide power for an external mic. See page 62 of the (NTSC) manual.

BTW: phantom power is NOT internal power provided by a battery in a mic. It is usually ~48 VDC provided by a preamp to a microphone using a balanced connection (usually XLR connectors). Check the microphone in question specification to determine if it needs or can use phantom power.

Computer-furnished power is not "phantom" power, it usually is a DC bais, typically about 5 volts, on the "hot" audio lead from the mic.
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