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Re: MM-BSM-9

Subject: Re: MM-BSM-9
From: "J. Charles Holt"
Date: Thu Jun 25, 2015 2:37 pm ((PDT))
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] <na=
> wrote:
>
> Hi Charles,
>
> We make a clip on mic using the Primo EM172 capsules, its called the Clip=
py EM172 and is available in mono and stereo versions. The capsule is in a =
black aluminium housing, and it comes with removable clips. We also stock s=
uitable 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
>
>   
> Clippy EM172 Microphone - micbooster.com
> New A clip-on microphone using the superb low noise, high sensitivity Pri=
mo EM172 capsule.  Beautiful black anodized aluminium enclosure, metal grid=
, toug...
> View on micbooster.com
> Preview by Yahoo
> 
>
>
>
>
> ---In  <> wrote :
>
> Thanks, John, that's helpful. It's really apparent just how different a "=
good mic" is for nature recording as opposed to general field recording. Im=
portant lesson learned.
>
> I gather EM172 capsules are what the M10 uses internally (according to so=
mething I saw online where someone disassembled one). I've been very happy =
with it, although as many have noted the soundstage is quite narrow.
>
> Considering the popularity of the EM172 capsules, I'm surprised no one ma=
kes a pair of inexpensive mics using them. Or if they have, I'm not seeing =
them anywhere.
>
> - Charles
>
>> On Jun 24, 2015, at 10:33 AM, 'John Crockett'  [naturerecordist=
s] <> 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) se=
lf
>> 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, becaus=
e
>> 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 simp=
le
>> boundary array, with EM172 mic capsules, like Vicki Powys' foam block
>> SASS. 13 dB self noise, and the signal-to-noise ration is improved sever=
al
>> 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 le=
ss
>> > 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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