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Old November 27th 19, 04:17 PM posted to rec.audio.pro
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Default Input transformer for Spectra Sonics 101 preamp


> >The current version of these units state 64db of gain with the same
> >101 card. Where is the extra gain coming from?
> >
> >RR

>
> Probably an extra stage of amplification, or if the design allows, a
> change of feedback resistors to get more gain from the existing
> circuit.
>
> d


some info here
https://groupdiy.com/index.php?topic=11466.0

m

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