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1. Re: SONY PCM-M10 noise test

Subject: 1. Re: SONY PCM-M10 noise test
From: "oryoki2000" oryoki2000
Date: Sat Jan 9, 2010 8:59 am ((PST))
Confirmation of Dr. Specht's PCM-M10 noise test results comes in the form o=
f testing by Leonard Lombardo, mic builder and owner of Sonic Studios in Or=
egon USA.

Leonard has tested many small digital recorders for use with his line of mi=
cs and portable amplifiers.  Preliminary results for the PCM-M10 were poste=
d recently on the Tapers Section forums, where Leonard posts with the name =

There are three graphs in this post.  The first shows results using the Edi=
rol R-09HR.  The second and third are of the PCM-M10 under similar test cir=
cumstances.  Eyeballing the graphs, it appears that measurements of the PCM=
-M10's mic input noise stay below -120 dBu as low as 150 Hz. when the Plug-=
In Power is turned off.  With PIP turned on, the noise level rises a little=

I'll pass on the link to Leonard's discussion of the results when he comple=
tes his write up of the PCM-M10 tests.


Raimund Specht wrote:

> I just received a SONY PCM-M10 and measured the EIN of its microphone inp=
ut. The figure of -122 dBu(A) that I got is very similar to that of the Oly=
mpus LS-10/11. But in contrast to the Olympus recorders (which exhibit a un=
fortunate increase of the noise below about 500 Hz), the frequency spectrum=
 of the noise floor is quite flat across the entire frequency range. Consid=
ering its exceptionally long battery life, it seems to me that the new SONY=
 PCM-M10 is the winner in this class of inexpensive and compact pocket reco=

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