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Re: MM-BSM-9

Subject: Re: MM-BSM-9
From: "Gene W5DOR" genedorcas
Date: Thu Jun 25, 2015 3:23 pm ((PDT))
Frogloggers.com is going to start selling single and stereo EM-172 units.  =
Keep a watch.



Gene



From:  =
.com]
Sent: Thursday, June 25, 2015 4:37 PM
To: 
Subject: Re: [Nature Recordists] MM-BSM-9



 

Nick,



Good to know! In guessing it didn't show up in my searches because you're n=
ot in the U.S.  The exchange rate is kind of a pisser, though=97I'm assumin=
g with shipping I'm looking at around $100.

- Charles



(Pardon my terseness or typos, this was sent from my iPhone.)


On Jun 25, 2015, at 9:15 AM,  [naturerecordists] <natu=
> wrote:

 

Hi Charles,

We make a clip on mic using the Primo EM172 capsules, its called the Clippy=
 EM172 and is available in mono and stereo versions. The capsule is in a bl=
ack aluminium housing, and it comes with removable clips. We also stock sui=
table windshields and spare clips. The housings are available separately if=
 you wish to assemble your own.

Nick Roast.  FEL Communications Ltd.

Clippy EM172 Microphone - micbooster.com <http://micbooster.com/primo-micro=
phone-capsules/65-clippy-em172-microphone.html>

=09
=09
 <http://micbooster.com/primo-microphone-capsules/65-clippy-em172-microphon=
e.html> image

         
<http://micbooster.com/primo-microphone-capsules/65-clippy-em172-micropho=
ne.html> Clippy EM172 Microphone - micbooster.com

New A clip-on microphone using the superb low noise, high sensitivity Primo=
 EM172 capsule.  Beautiful black anodized aluminium enclosure, metal grid, =
toug...

=09


 <http://micbooster.com/primo-microphone-capsules/65-clippy-em172-microphon=
e.html> View on micbooster.com

Preview by Yahoo

=09
                                        =09







---In  <> wrote :

Thanks, John, that's helpful. It's really apparent just how different a "go=
od mic" is for nature recording as opposed to general field recording. Impo=
rtant lesson learned.



I gather EM172 capsules are what the M10 uses internally (according to some=
thing I saw online where someone disassembled one). I've been very happy wi=
th it, although as many have noted the soundstage is quite narrow.



Considering the popularity of the EM172 capsules, I'm surprised no one make=
s a pair of inexpensive mics using them. Or if they have, I'm not seeing th=
em anywhere.

- Charles



On Jun 24, 2015, at 10:33 AM, 'John Crockett'  [naturerecordists] =
<> wrote:



Hi Charles,

You are not hearing preamp noise, it is all coming from the microphones.
The PCM-M10 preamps are very quiet for a small recorder and are only
adding about 0.02 dB of noise to the mics. The BSM-9 have (published) self
noise of 36 dB compared to 17 dB for the PCM-M10 mic capsules. That's
almost 9 times more noise. Increasing sensitivity would not help, because
the preamp noise is already inaudible and it can't get more inaudible.

If you want quiet and inexpensive, I'd suggest building a small and simple
boundary array, with EM172 mic capsules, like Vicki Powys' foam block
SASS. 13 dB self noise, and the signal-to-noise ration is improved several
decibels by the boundary. Very satisfying results.

Lots of fun info on her site

http://www.caperteebirder.com/index.php?p=3D1_17_recording-gear-1

best wishes,

John

> My thought was if it increases the sensitivity
> or output I'll be relying less on the internal preamp and thus have less
> noise, but feel free to tell me why I'm wrong.
>
> - Charles
>

John Crockett

Let us live in harmony with Earth
And all creatures,
That our lives may be a blessing.








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