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Piezo Question

Posted by mudbelly on February 18, 2013 at 1:33pm in Building Secrets, Tips, Advice, Discussion

I'm new here. On my third build. It's a One gallon can. Turned out ok but the rod piezo, a pre wire from CB Gitty does not work. My question is does the metal top transfer sound the same as cardboard or wood?  

My other builds, cigar boxes, one with a humbucker I had laying around and the other with a rod piezo wok fine. 

Thanks to you guys for sharing your knowledge. 

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Replies

  • Randy S. Bretz February 18, 2013 at 6:50pm

    305974785?profile=RESIZE_1024x1024A basic rod piezo bridge...1/8" slot through wood block for the rod and make a 1/8" thick saddle for on top of the rod.

  • mudbelly February 18, 2013 at 3:12pm

    Thanks guys, I'll try those things. 

    • mudbelly > mudbelly February 18, 2013 at 6:46pm

      Found the problem. It was the plug in on the prewired harness. Plug did not fit so well nothing a little dab of hot glue could not fix. I did install the piezo rod under the bridge as recommended. Sounds good. 

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  • t-belly johnson February 18, 2013 at 2:42pm

    Normal disc piezos don`t pick up much in the way of vibrations needed through metal tops so you are correct in using a rod piezo. However, rod piezos will only work (properly) if they have direct pressure on them from the strings.Hence they need to be placed under the bridge, maybe encased in a cylinder of some kind, to get the best from them.

    I use a mild steel tube to surround mine and hot glue both ends to achieve the required pressure and boy do they pick up sound.Loud!

     

  • Rouxdy Blues February 18, 2013 at 1:42pm

    In my experience, the rod needs to be placed under the bridge in such a way that the bridge is applying pressure to the rod in order for it to really work properly.   

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