At 10:21 AM -0700 7/29/08, Eric Benjamin wrote:
> >I think that DPA's specification for the 4060 is
>>probably pretty close to spot-on.
>
>>I'm going to do that experiment
>>tonight. I'll measure a couple of DPA 4060 mics and a
>>couple of Countryman B3 mics.
>
>It's taking a little longer than I thought to get this done, but I have th=
e
>test results for the DPA4060, powered with the DPA battery pack, going
>directly in to my Audio Precision analyzer. I measured two samples, a
>matched pair.
>
>Sensitivity (spec =3D -34 dBV/Pa):
>
>sample 1: -33.76 dBV/Pa
>sample 2: -33.58 dBV/Pa
>
>Self Noise (spec =3D 23 dBA)
>
>sample 1: 22.87 dBA
>sample 2: 22.77 dBA
>
>These two microphones are extraordinarly close to their specifications.
>
>Next I'll measure two Countryman B3 microphones. Both of these types are
>appropriate for making binaural recordings if means are found for holding
>them in the user's ears.
>
>Eric
Thanks Eric!
Does your test show how the DPA4060's self-noise is distributed? Is
it, for example, primarily concentrated in the higher frequencies?
Spec-wise, it seems like these mics have noise performance very close
to the economical Shure WL183's. Rob D.
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