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Re: unbalanced inputs to the 722

Subject: Re: unbalanced inputs to the 722
From: "Chris Owens" owensch2002
Date: Wed Jul 5, 2006 4:46 am (PDT)
Hi,

I've used unbalanced connections from a hydrophone, Sony ECM-MS957 stereo m=
ic and OKM binaural mics via a preamp. I have not experienced the problems =
with the SD722 that you have described.

regards,

Chris.
>
> From: Derek Holzer <>
> Date: 2006/07/05 Wed AM 10:54:53 GMT
> To: 
> Subject: [Nature Recordists] unbalanced inputs to the 722
>
> Has anyone else experienced problems using unbalanced and/or impedance
> mis-matched inputs to the SD 722? Using either my homemade piezoelectric=

> contact mics or my new Core Sound binaurals, I get noticeable
> electromagnetic interference from the hard drive writing when recording.=

> The only solution I've found is to use a pair of passive DI boxes to
> balance the signal and convert it to a low impedance that the 722 can
> handle. But the pair is just as big as my 722, which hardly makes for a
> small, stealthy kit!!! If anyone else has this problem, drop me a line
> and let me know how you worked around it. A reply to my inquiry from
> Sound Devices is still pending.
>
> best,
> d.
>
>
> --
> derek holzer ::: http://www.umatic.nl
> ---Oblique Strategy # 104:
> "Listen in total darkness, or in a very large room, very quietly"
>
>
>
> "Microphones are not ears,
> Loudspeakers are not birds,
> A listening room is not nature."
> Klas Strandberg
> Yahoo! Groups Links
>
>
>
>
>
>
>
>

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