Re: Mic output noise chart

["Paul Jacobson" thebrunswicktwitcher]

On 01/04/2010, at 6:12 PM, Raimund wrote:

> I think that it is important not to confuse the equivalent microphone noi=
se figures (expressed in dBA) with the absolute microphone noise voltages (=
expressed in dBu). So, the dBA figures alone should NOT be used for selecti=
ng the preamp.  As Paul's Excel sheet (http://bit.ly/Mic_Output_noise_chart=
) nicely demonstrates, there are a few microphones, such as the Rode NT1-A,=
 that are extremely demanding regarding the preamplifier noise, while other=
 models  with similar dBA specifications are less demanding (Sennheiser MKH=
-60 for instance). So, if the noise performance was the biggest concern, th=
en one should prefer a microphone with the maximum sensitivity (expressed i=
n mV/Pa).

Hi Raimund

Thanks for a very nice summation.

cheers
Paul