The stereo DATmic has 4*10 mm electrets at each side, membranes
facing down to a plate.
This works better than using, for example, a EM23 capsule, with about
the same membrane size.
1/ You get 4 FETamps in parallel, which decreases the FET noise by 3
db for each parallel coupling,
2/ you get a "hole in the middle" of the "membrane" which means that
you avoid some of the worst resonances between the membrane and the plate.
Klas.
At 16:19 2007-01-30, you wrote:
>Hi Klas,
>
>Is Telinga Stereo DAT has two capsules or multiple capsules. I do not reme=
mber
>who told me that had more than one capsule on every side (on the Stereo DA=
T).
>
>Thanks
>
>Antonio Celis
>
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>Antonio Celis Murillo
>
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>___________________________________________________________
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>
>
>"Microphones are not ears,
>Loudspeakers are not birds,
>A listening room is not nature."
>Klas Strandberg
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>
>
>
Telinga Microphones, Botarbo,
S-748 96 Tobo, Sweden.
Phone & fax int + 295 310 01
email:
website: www.telinga.com
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