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Re: Shotgun mic Vs on-board mics

Subject: Re: Shotgun mic Vs on-board mics
From: "John Crockett" naturalcontemplative
Date: Thu Jul 17, 2014 5:30 am ((PDT))
Hi Don,

I have not used the NTG2, but the NTG2 is not a very sensitive
microphone. At 15mV/Pa it is actually less sensitive than the built-
in microphones on the PCM-M10 (22 mV / Pa). That's about a 3 dB
difference. What this shotgun is giving you is greater rejection of
sounds from the sides, but not greater sensitivity. By comparison,
the ME66 shotgun has a sensitivity of 50 mV/Pa. A much more sensitive
microphone (10 dB more sensitive than the NTG2).

But if your recordings are more than 3 dB lower when using the NTG2
on the same source, and the shotgun is aimed directly at the source,
might it be the case that you have a faulty cable? Or maybe the wrong
type of cable? There is one that looks identical to the correct one
but is used for certain stereo microphones, not for attaching a mono
XLR mic to a stereo mini input.

Hope that is helpful.


On Jul 16, 2014, at 8:45 PM,  [naturerecordists]

> I have had a Sony PCM M10 for several years and I recently
> purchased a Rode NTG2 shotgun mic. It works and both channels show
> equal recording levels, but I am disappointed to find that the
> actual decibal levels shown are quite a bit lower than when I just
> use the on-board microphones. I had assumed that the properly
> targeted sounds would be louder, not lower in volume. Is this
> normal? is there anything I can do about it?
> My interest is recording bird songs and calls, so getting as much
> volume as possible is important.
> Thanks,
> Don Morgan
> Coventry, Ct.

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