Re: dynamic microphones

["Rob Danielson" danielson_rob]

Dan Dugan wrote:

>
>Typical correspondences:
>
>dBV/Pa   Open Circuit mV
>-60         1.0
>-50         3.2 (hot dynamic mic)
>-40        10.0 (condensor mic)
>    0      1000.0 (1 Volt)

...

>
>The 804's output is -49,...you'd have 4 dB more preamp noise with the Heil=
.


Rob D. wrote:
>  I recall the noise creeping down pretty low in the spectrum with
>the RE-16 (1.4mV/Pa) and RE-20 (1.5 mV/Pa).

So the noise I was hearing with the dynamic mics was that of the
Nagra 4.2's mic pre,.. Do you recall what this noise spec is with the
quieter pre option? On par with the better pres we are working with
today? Rob D.