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4. Re: iRig pre

Subject: 4. Re: iRig pre
From: "Max Catterwell" oatcruncher
Date: Thu Jan 3, 2013 7:33 am ((PST))
Hi Raimund
Many thanks for your clarification. Am I also wrong about noise increasing =
on the iRig as gain is increased?
Cheers
Max


Sent from my iPod

On 3 Jan 2013, at 14:01, "Raimund" <> wrote:

>> You give the reason below that I use my iRig as the gain control, and no=
t the LS-10 gain. As I understood it, the LS-10 is quietest on maximum gain=
?
>
> Hi Max,
>
> Yes, the LS-10 is quietest on maximum gain, but as previously discussed h=
ere, it is still quite enough at a lower gain (SENSE LOW), level 10 for mos=
t situations.
>
>> On the basis of this understanding, and accepting that the iRig is a che=
ap bit of kit, is why I set LS-1O to max gain and use the iRig to set level=
s. This ensures that the higher level gain noise of the iRig is kept at the=
 minimum possible noise level for the recording in hand; am I correct?
>
> No, this is unfortunaetly not true. The problem is that you insert the re=
alively noisy iRig preamp into the signal chain, which will finally increas=
e the overall (input-referenced) noise floor.
>
> It is usually the very first preamplifier stage (the iRig in this case) t=
hat determines the overall noise performance of any analog signal processin=
g system.
>
> Cheers,
> Raimund
>
>
>
>
> ------------------------------------
>
> "While a picture is worth a thousand words, a
> sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause.
>
> Yahoo! Groups Links
>
>
>






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