![]() But you asked about what others have done with multiple piezos in a guitar to get different sounds, so.įrank Zappa created what I consider to be the ultimate piezo'ed electric guitar. I don't know if this will help you or not. especially if you don't have tone shaping circuitry down the line. If you set it up, and it sounds good for the tone you are going for, then it is probably a good element to use. I've used discs from old drum toys even with nice results. As far as the difference in elements, it is a matter of experimentation for the most part, especially if you don't know the specs of the parts you are using. Changing where it is placed is nice, but also if it is not secured well then movements will be picked up pretty loudly. Then you can tape it where you want and plug it into an amp or recording device. For a less permanent and more variable set up, you can just solder the piezo element to the two leads of a shielded cable, with a plug on the other end. It seems to work pretty well this way, though you can just hook it straight to a jack without the active circuitry. In that guitar I have a "tone" pot which fades between the two pickups, then a three band active EQ, and a simple transistor based gain circuit on the output. It seems like this will pick up slightly less string noise and feedback. Placing them securely just below the bridge is a common situation. My recent "Parallel Killer" guitar built (sort of like a cigar box guitar) has two piezo elements, one focussing on high strings, and one low. I've used just basic disc piezo elements a couple of times. It's all a matter of taste, and what sort of response you want from your guitar.
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