Installing internal piezo


Does anyone have any experience installing an internal piezo pickup in an oval hole?

I am a bit handy with guitars and working through F holes, but never an oval hole and navigating the braces like this.

I have a manouche picks mic that I would like to stick on the inside. If I have found the sweet spot on the top, will it be the same underneath?


  • Posts: 4,816
  • krzyskrzys New
    Posts: 136

    Thank you. Any harm in putting a jack in the lower bout rather than through the tailpiece?

  • flacoflaco Shelley Park #151, AJL Quiet and Portable
    Posts: 98

    I wouldn't do it unless it's a cheap instrument that you don't care much about. The wood there is thin. If you bump the cord while it's plugged into the guitar you could crack the wood.

  • Jangle_JamieJangle_Jamie Scottish HighlandsNew De Rijk, some Gitanes and quite a few others
    Posts: 209

    The sides are too thin to support a jack socket and you would risk splitting the sides (which would certainly not be funny, pardon the pun). I have a Shadow double bass pickup fitted to a couple of guitars which sits under the bridge. I then made a small housing for the socket which I glued next to the tailpiece end on the bottom. The downside is there is a wire running down to the socket on the outside. The plus side there is no drilling. If in any doubt, take it/send it to a luthier who is used to doing this. John Le Voi here in the UK has probably fitted hundreds of Bigtones over the years. I have one fitted to my Gitane 370 and both the hole in the top and the tailpiece hole socket is very discreet.

  • Posts: 4,816

    I've seen one of these guitars where luthier put a jack there, on the side of lower bout. Seemed fine. The owner ended up removing the jack because he never used the built in pickup and plugged the hole. When I made that soundport on my guitar, I was actually amazed how tough the wood (maple) on the sides is. But this is my only experience with it and don't take it as advice.

    Esthetically I feel much better going through the tail block that the lower bout side.

    Every note wants to go somewhere-Kurt Rosenwinkel
  • pdgpdg ✭✭
    Posts: 472

    The soundport doesn't have take any torquing force, but the jack could be pushed sideways at worst, and every time you insert or remove it you'd be exerting push-pull forces at best.

  • krzyskrzys New
    Posts: 136

    Thanks for the tips, guys!

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