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Re: Zoom H4n just arrived

Subject: Re: Zoom H4n just arrived
From: "picnet2" picnet2
Date: Mon Jun 29, 2009 3:18 am ((PDT))
Hi Oriyoki,
   Would you consider the H4N's PIP 3.5mm inputs similar to the Sony D50 ? 

When using the plug in power is the response flat or is a rise present below 1 
Khz due to the bias supply? The Edirol R09HR suffers from this which requires 
compensating in post. 

Are the line inputs quiet? - Id consider the H4N with a QuadMic.

Im thinking of using the H4N in 4 channel mode, 2 hydrophones on the XLR inputs 
and a set of binaural mics via the 3.5mm inputs.

BR,
Mike.


--- In  "oryoki2000" <> wrote:
>
> A little more testing of my H4N revealed some quirks.  
> 
> First, if you try to record using a single mic connected to XLR with phantom 
> power on, the other channel records a relatively high level of noise.  This 
> seems to be caused by the unterminated XLR input.  Plugging in a second mic, 
> but leaving it turned off, reduces this noise.  
> 
> Second, with phantom power on, the noise level is higher than with it off and 
> the mics receiving power from an external power source (ART Phantom II in 
> this case).
> 
> Third, the 1/8-inch (3.5 mm) minijack on the rear of the recorder has less 
> self-noise than either XLR input.  Recordings made with a Rode NT1A mic 
> powered by an ART Phantom II power supply and connected via the minijack had 
> very low levels of self-noise.
> 
> Fourth, the right XLR of my H4N has a higher self noise level than the left 
> XLR input.  The difference is quite noticeable.
> 
> These listening tests were performed in a very quiet setting, and with the 
> goal of finding the recorder's self-noise level.  If you record in a setting 
> with a higher level of ambient sound, the H4N recorder's input noise is 
> likely to be masked.
> 
> --oryoki
>








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