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Location of rod Piezo

Posted by lawntrout guitars on October 4, 2016 at 12:25pm in Performances, How to Play, Lessons, Concerts

I have looked all over this site and can't find an answer.... I bought a bunch of pre-amps with a rod piezo and started to convert them to disk piezos because I use a bolt for my bridges. I thought this was dumb since they have a rod piezo attached. Can I treat the rod piezo like the disks and hot glue them to the inside of the box cover or neck.

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Replies

  • lawntrout guitars October 7, 2016 at 10:18am
    Good idea
  • Rich October 6, 2016 at 3:47pm

    I have had some luck with this set up. It's easier than routing a channel in the bridge.

  • Rich October 6, 2016 at 3:46pm

    306583413?profile=original

    • lawntrout guitars > Rich October 10, 2016 at 10:25am
      JL thanks for the diagram. This will help with triming the piezo and also shows that a disc and rod are pretty much the same except for size (therefore power). I've started to experiment . Even clipping the rod to the head of the guitar and I seem to be getting good sound using the preamp that came with it. I'm building a "test" guitar with a back that opens so I can try out various components and placements.
    • John Sawyer > Rich October 7, 2016 at 3:01pm
      That is how I did mine... first one was awesome. The second I decided to cut the piezo shorter... fail... next time I leave it long, up the one was awesome...
  • JL October 6, 2016 at 8:15am

    What do you use to keep the bolt from rolling and messing up the intonation when tuning?

    • lawntrout guitars > JL October 6, 2016 at 8:34am

      306582509?profile=originalIts a bolt and nut at the bridge. I have several sizes to get the action right. I also use a 3/8 x1-1/2  bolt as the nut set in a small indentation. The movement of these allows easy conversion from a low action to a higher action if one wants to play more slide guitar. Intonation doesn't seem to be a problem. Plus the thing looks really cool.

      • JL > lawntrout guitars October 7, 2016 at 9:44am

        ok, the hex head of the bolt and hex nut stop it from rolling.  I asked because I have stumbled across a few wall hangers that used a bit of threaded rod, and when I went to tune them I could watch the threaded rod roll toward the neck. 

        Its become my new favorite curse word - "Wall Hanger!" LOL

  • Ron "Oily" Sprague October 4, 2016 at 2:37pm
    Rod piezos need direct downward pressure from the bridge. Try a littl experiment: make yourself a wooden bridge, and set it directly atop the rod piezo (you may need t carve a small channel into the base of the bridge for the rod to fit into). It will work.
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