[sdiy] Preamp for a crystal transducer?

[anthony]

Keep the tube amp. I can't imagine there being anything in it that you
would have trouble finding. If you need a new tube, I'll even send
you one (I have some 12AU7's, 12AT7's and 12AX7's - I have pentodes
too if it's weird...)

> want to build something without tubes. Does anyone have any suggestions 
> for
> the type of circuitry I should use for the preamp?
>
> I'm expecting that I'll need a very high input impedance, and if I build a
> quick and dirty opamp circuit, it might hiss like crazy. Would a discrete
> FET input buffer stage be better?