![]() As it turns out the "acoustic" bridge was a very poor version of an acoustic guitar and he ended up with several guitars on stage. ![]() My son didn't want to have several guitars on stage. It was supposed to be the "every sound" guitar - two humbuckers with coil split and series/parallel connection plus the "acoustic" bridge. I'll add one more comment about this guitar. The little PCB gathers the six signals from the piezo crystals, the pot on the far right is the volume for the piezo. We did not try mixing the signals - the impedances would have been seriously mismatched. The piezo was brought out as a separate output on a stereo jack, that way it could be run thru its own signal chain. There were no active elements on board the guitar. The mag pickups got normal 2V2T controls, the piezo got its own volume control. Several years ago I helped my son with a solid body guitar with two magnetic pickups and a six crystal piezo bridge. ![]() I leave the choice to the owner - I don't have a need to plug in my acoustics. The K&K are sound board transducers and they usually have an external preamp or DI to match impedance to the input of the amp and to offer some signal conditioning. and if the manufacturer offers a preamp matched to their pickup I use it. I install various piezo transducers in acoustic - K&K, Fishman, Braggs. , would love to hear some sound samples, once you install the fishmann! I was looking at those JFET amps, as they seem relatively easy to build and have a small footprint: īut I am also considering potentially available preamp/buffer modules. I may add a third one to the chamber, to be able to compare how those different points perform. ![]() Considering another one around the first fret or headstock area, as this point seems to vibrate pretty well (works for headstock tuners). Since it is an experimental prototype, I decided to use a piezo element in the neck, under the end of the fretboard. I may be doing some chambering, but probably not enough to get any acoustic properties out of it. To give you all more context, the build is a solid body electric. ![]()
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