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Permalink Reply by John Sawyer on May 26, 2016 at 8:28am

I built an acoustic license plate reso for a friend.. I used RTV to hold the piezo disc to the lid, and covered it in hot glue... Worked just fine.

I used RTV because the hot glue didn't seem to want to stick, and I wasn't sure about the long term durability. The plate was an aluminum vanity plate...

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Permalink Reply by Warmdaddy on May 26, 2016 at 8:44am

Did it sound pretty good?  Better than a standard pickup do you think?  Also, pardon my ignorance, what is RTV?

Thanks

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Permalink Reply by Ron "Oily" Sprague on May 26, 2016 at 5:43pm

https://www.amazon.co.uk/s/?ie=UTF8&keywords=rtv+silicone+glue&...

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Permalink Reply by gary herget on May 26, 2016 at 4:44pm

Take a piece of sandpaper and rough up the plate where the disc is to be mounted. Should stick no problem. I think RTV is a silicone product, but not sure.

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Permalink Reply by Lane Martin on May 27, 2016 at 7:44am

I believe it was Phrygian Kid on here that had mounted a standard mag pickup below (not touching) the plate (inside the box). His experience was that heavier gauge strings made the plate vibrate plenty and the mag pup worked off that just fine. I'm finishing up a diy mag pup for a LPG build and will post audio when I finish.

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Permalink Reply by Warmdaddy on May 27, 2016 at 1:54pm

Cool, can't wait to hear it!

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Permalink Reply by Ron "Oily" Sprague on May 27, 2016 at 6:41pm

Y'all may want to check the Inductionn Pickup discussion that Wayfinder just posted. If your LP isn't steel (like the older ones were), but instead is aluminum, the Induction Pickup might be what you're looking for.

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