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<div style="font-size: 10pt;"><div dir="ltr" style="margin-top:0;margin-bottom:0;">Check out the schematics for Music Thing Modulars "Mikrophonie" module. I have one, and changed the input cap to something bigger, plenty bassy, too much so for use with the inbuilt piezo, it rumbles quite a bit.</div><div dir="ltr" style="margin-top:0;margin-bottom:0;">Best regards,</div><div dir="ltr" style="margin-top:0;margin-bottom:0;"><br></div><div dir="ltr" style="margin-top:0;margin-bottom:0;">Jarno.</div></div><div style="font-size: 10pt;"><div id="LGEmailHeader" dir="ltr" style="margin-top:0;margin-bottom:0;"><div dir="ltr" style="margin-top:0;margin-bottom:0;"><br></div><div dir="ltr" style="margin-top:0;margin-bottom:0;">------ Origineel bericht------</div><div dir="ltr" style="margin-top:0;margin-bottom:0;"><b>Van: </b>Busby Bergson<busby.bergson@gmail.com></busby.bergson@gmail.com></div><div dir="ltr" style="margin-top:0;margin-bottom:0;"><b>Datum: </b>zo, 14 feb. 2016 19:25</div><div dir="ltr" style="margin-top:0;margin-bottom:0;"><b>Naar: </b>synth-diy DIY;</div><div dir="ltr" style="margin-top:0;margin-bottom:0;"><b>CC: </b></div><div dir="ltr" style="margin-top:0;margin-bottom:0;"><b>Onderwerp:</b>[sdiy] preamps for piezos (slightly OT?)</div><div dir="ltr" style="margin-top:0;margin-bottom:0;"><br></div></div><div dir="ltr">hi synthdiys,<div dir="ltr"><br></div><div dir="ltr">i'm currently experimenting with contact mics. they sound pretty good going into a guitar amplifier, directly - but if i want to send them through my other circuitry, it seems that they require a specialized preamplifier, to compensate for their impedance. <br><div dir="ltr"><br></div><div dir="ltr">i've been using something along these lines:</div><div dir="ltr"><a href="http://music-electronics-forum.com/attachments/4228d1232615609-non-invert.buffer.gif">http://music-electronics-forum.com/attachments/4228d1232615609-non-invert.buffer.gif</a></div><div dir="ltr"><br></div><div dir="ltr">however, i'm noticing that there is still a significant high-passing - compared to the bassier direct-to-guitar-amplifier arrangement.</div><div dir="ltr"><br></div><div dir="ltr">any thoughts? </div><div dir="ltr"><br></div><div dir="ltr">- b.b.<br><div dir="ltr"><br></div><div dir="ltr"><br></div></div></div></div></div>
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