[AudioI] Microphone preamplifier

[Ivan]

Hi Matt,

I would be very interested in the mic preamp if you were to design one, as
I don't have the expertise...

Is such a product on your roadmap? If so, how long do you expect it would
take you to be able to offer it?

Regards,
Ivan

On Tue, Feb 8, 2022 at 9:46 PM Matt Flax <matt at audioinjector.net> wrote:

> Hi there,
>
> The XLR preamplifier is setup to carry up to around 20.4 V (about 19.4
> dBu). The output preamplifier has a gain of 13 dB. The input
> preamplifier has a gain of -12.8 dB.
>
> A good microphone preamplifier would require both phantom power (the
> power rail is available on the Pro and Isolated soundcards) and also a
> significant input gain of around 30 dB.
>
> It would be great if enough people were interested in this to either
> design their own together, or given more time I can design one up.
>
> Matt
>
> On 4/2/22 21:24, Ivan via People wrote:
> > Hello,
> >
> > I have a need to connect professional (condenser) microphones to the
> > Raspberry Pi and I was wondering if I can use the XLR preamplifier
> > with the Pro sound card, to do that?
> >
> > I've noticed that the sound card has the phantom power available, but
> > I'm not sure if the XLR preamplifier has access to that and whether
> > the gain is sufficient?
> >
> >
> > Thanks,
> > Ivan
> >
> --
> Checkout the community email list :
> https://lists.audioinjector.net/mailman/listinfo/people
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.audioinjector.net/pipermail/people/attachments/20220209/ff6ba154/attachment.htm>