Greetings, all!

I am running an after-school/summer program (tinyurl/com/r3atmase), and we are attempting to make cigar box guitars. This is my question. I have ordered Rod piezos. 

Why doesn't this work?

I have connected the rod piezo to a female-to-female 3.5 mm jack adapter. The 3.5 mm cord is attached to our CAO Flathead 660 Cigar box amp made with two old TV speakers and a DROKDC 12V Digital Audio amp board. The CB amp works really well. Why am I not getting sound from the piezo?

Sincerely,

Cameron Cooley
R3 Director & Federal Programs Officer
 
Memphis Academy of Science and Engineering
1254 Jefferson Ave. Memphis TN 38104
D: 901.300.6673    P: 901.333.1580 ext. 116  
 Facebook  Directions  Visit Our Website  F: 901.333.1582   

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Check the orientation of the jack? Make sure the signal & ground connections are correct 

Like Brian says, check your connections, the 3.5 mm plug is a stereo plug, , your mono output from the piezo might not be linking with the correct lug on the 3.5

Hi Cameron, great what you're doing with the kids!

I'm with Brian Q and Darryl.....I was wondering if you could try a 3.5mm stereo female to 3.5mm mono male jack adaptor (like the one below) as a quick fix/check? You should be able to pick one up for around 2 to 3 US dollars.

Hope this helps, and good luck with your program!

Thanks all! These are stereo plugs. I will look for a mono version. Thank you!

The stereo plugs will work, but you just need to make sure the hot wire is on the correct lug, you have a ground lug and 2 hot lugs, but you only need 1 hot 1 connected

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