On 06/10/2010 21:27, Harrison Cooper wrote:
> I need to sweep 10KHz to 30KHz audio, and drive it such that a
> microphone element can pick it up at close range.  I have an
> AudioPrecision that can do the sweep, but need a amp/transducer setup.
> This is for lab tests, so Im not really looking at building something,
> but just need to buy something off the shelf.  Recommendations anyone?
>
Small electrets can work to 50kHz or so. Need equalised pre-amp.
30kHz is easy.
--=20
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