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Some piezo's buzzing some not

is it the pickups that vary with buzzing or is it my solder connection? I have 3 different pickups. all have been encased in a bottle cap with hot glue. All have a connection but 2 of them are really buzzing and take more gain from the amp ..same settings. 1 piezo is perfect no buzzing (happens to be on a cookie tin)...the other 2 that are buzzing are cigar box guitars.I also put glue on the 1/4 inch jack connections on all 3. wondering what it is thats different about the 2 that buzz? thank you.

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Permalink Reply by Jon Leslie/Runaway Veal Music on December 14, 2012 at 3:24pm

Next time I won't encase the piezos in glue until I getter a better listen first. I did make sure I got a signal first but something is different with the 2 that buzz and have a weaker signal

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Permalink Reply by Ted Crocker on December 14, 2012 at 3:31pm

First guess is a cold solder connection. Here's how I solder mine:

Find more videos like this on Handmade Music Clubhouse

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Permalink Reply by Ken I on May 13, 2017 at 10:31pm

The video isn't available here any longer. Do you have a link where I can see it?

Thanks,

Ken

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Permalink Reply by Ted Crocker on May 14, 2017 at 2:11am

Oops, here ya go Ken. http://handmademusicclubhouse.com/video/ted-tv-soldering-hookup-wires

Find more videos like this on Handmade Music Clubhouse

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Permalink Reply by Jon Leslie/Runaway Veal Music on December 14, 2012 at 3:39pm

Would a cold solder connection imply a weak buzzy connection? Can you salvage a piezo after encasing in glue bottle cap. Thanks for the tip. I thought I did what you've shown in your link.

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Permalink Reply by Jon Leslie/Runaway Veal Music on December 14, 2012 at 4:26pm

The reason I ask is there's no crackling.. There's a decent connection. It's not the piezo placement. I guess that could also mean a cold solder joint..

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Permalink Reply by Jon Leslie/Runaway Veal Music on December 14, 2012 at 9:50pm

When I tap on the two piezo bottle caps they sound consistent like no wires are loose. I'm a bit confused about the solder not being ok..cold I read up on what a cold solder joint is.. firmly contacted but not somehow?

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Permalink Reply by Ted Crocker on December 15, 2012 at 9:04am

Maybe you can remove one from the cigar box and temporarily try it in the tin.

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Permalink Reply by Bluesheart on December 15, 2012 at 10:03am

Wow Ted, you have done that before haven't you??!! ;-) Thanks for the vid, great tips!

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Permalink Reply by Jon Leslie/Runaway Veal Music on December 15, 2012 at 12:57pm

yes good idea! then i'll know for sure. later tonight...

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Permalink Reply by Jon Leslie/Runaway Veal Music on December 16, 2012 at 10:34am

OK 2 Things. The tin had the washer and nut on the outside of the can. Then i tried the cigarboxguitar noisy piezo in the tin and it worked almost 100% fine. I then touched the cord while playing on the outside of the 1/4 jack where the jack and cord meet (cord is 100% good). It's sounded perfect until i let go. So what is it a grounding issue? if so how can I fix this please.
So it works in the tin but not the woodbox?