Modification of old Yamaha piezo preamp for Fishman pickup - help needed

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The TL072 is actually fairly similar to the model I have used. Both are fast 'audio grade' JFET devices. The TL062 is a low power version of the TL072 and has a reduced high frequncy performance (although still quite respectable in real terms).

Post #146 here shows how to use a '301 file' although like most things in LT, there are differnt ways of doing things.

http://www.diyaudio.com/forums/soft...ltspice-iv-beginner-advanced.html#post4067126

See if the attached simulation runs OK.
 

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