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Comment by James Saurbaugh on June 5, 2020 at 2:42pm

Well thank you all for the input. The problem has been isolated to the amp cord itself. It is not consistently making a good connection inside the sleeve that enters the CBG. Of course when I tested it with another guitar, it worked. When I tried the CBG, it stopped. Apparently I give up too easily. With a bit of fiddling and inspection of the solder points inside the plug sleeve, we found the issue. A new solder joint and the CBG sounds awesome! I can't play at all... but I feel like I could do a concert right now. Thanks again for the help. 

Comment by Ted Crocker on June 5, 2020 at 9:49am

Without actually seeing your circuit, here's a wiring diagram I made and you can ensure yours is wired correctly.  http://handmademusic.ning.com/photo/piezo-volume-jack?context=album...

One thought is that it's possible that when soldering the wires to the piezo you inadvertently got a blob of solder on the brass part onto the ceramic part.

Here's a video I made to show how to solder hookup wires to a piezo disk  http://handmademusic.ning.com/video/ted-tv-soldering-hookup-wires

If you still have a problem, find me at my Handmade Music Clubhouse and I'll try to help.

WWW.HandmadeMusicClubhouse.com

Good luck!

Comment by BrianQ. on June 5, 2020 at 6:44am

James, was it a pre wired piezo, did you confirm its wiring is correct, did you follow a wiring schematic? Also piezos can be very quiet when improperly placed, closest to the bridge is best?

Comment by Kigar on June 5, 2020 at 5:27am

James, a dumb one that happened to me was the plug actually went past the inner contact on the jack, it worked slightly backed out.  Do you hear a click or pop when plugging in?

Comment by Oscar Myer on June 5, 2020 at 1:09am

Howdy, James. Assuming that all connections are correct & solid. It's possible you could have a bad potentiometer.I would try jumping the in & out lugs on the volume pot to see if it works.

Good luck!

Comment by James Saurbaugh on June 5, 2020 at 12:31am

Well I am proud to say I just completed my very first CBG build. I am very happy with the way it all turned out and I have three kids who I plan to build one for each of them next. But I added a Piezo disc pickup yo mine with a standard jack and volume control. When I plug it into an amp, I get no sound from the CBG. I confirmed the amp is working with another guitar, but not getting anything from my CBG. Before I crack it open, I thought I'd ask if anyone has a resource for troubleshooting these so I know what to even look for other than an obvious broken solder connection. Thanks!

Comment by Paul Craig on February 28, 2020 at 10:25am

Cut a 45 degree edge on each piece to be joined and glue them together with a square piece in the inside corner for re-enforcement.

Comment by Rich Butters on February 25, 2020 at 9:58pm

Hi Ben,  are the boxes all 5ply wood i.e. top, bottom, sides?  How are the boxes joined with 'mitre joints at each corner another type of joint?

The reason I ask is that I have a 'ton' of plywood and am looking to make my first guitar using this

Cheers

Rich

Comment by Ben Ridgeway on February 24, 2020 at 7:59am

You're right , bolt-on neck

Both of those are champagne boxes

They are built with a 5ply wood top so I deemed bracing as overkill

I make the footprint of the bridge as wide as possible to move the tension more towards the side

I go as far as saying , no trouble so far

Comment by Ben Ridgeway on February 24, 2020 at 7:51am

You're right , bolt-on neck

Both of those are champagne boxes

They are built with a 5ply wood top so I deemed bracing as overkill

I make the footprint of the bridge as wide as possible to move the tension more towards the side

I go as far as saying , no trouble so far

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