I have the D50 and love it. Sure, it doesn=92t have XLR inputs, but I use a=
Mixy field mixer and get the same quality (or better) than an SD.
My experience with hiss and self-noise when I=92m not using the pre-amp:
For starters, I always use the -20db pad setting. Input gain depends on the=
mics. Some microphones let me crank the input gain up all the way without =
generating hiss, others won=92t let me gain higher than 6,5. In most cases,=
that is more than enough gain, even with the pad setting.
Hope this is helpful.
Peter
On 14 Apr 2014, at 11:33 am, wrote:
> > Also, is there a simple way to attenuate the microphone signal a bit, m=
aybe 6 to 12 dB, without worsening the self noise? I would like to run my M=
10 at full gain since this is where Raimund's chart shows the preamp noise =
to be the quietest, but that is too much gain for the em172 under most reco=
rding conditions.
> John,
>
> Without knowing all the parameters, this is difficult to answer. The
> solution is to test the mic and recorder using the pile of bedclothes tes=
t
> method. This will give you an account of mic hiss which is usually the
> annoying noise.
>
> As you reduce the gain level, the mic hiss should reduce in proportion. A=
t
> the point that recorder input noise becomes louder on the recording than =
the
> mic hiss, then you are losing s/n ratio.
>
> There is nothing you can do about mic hiss, so as long as it is swamping =
the
> recorder noise, you have the optimum record level with the maximum headro=
om.
>
> David Brinicombe
>
>
>
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