Replies to This Discussion

Permalink Reply by Paul Craig on September 13, 2015 at 11:40am

http://www.cigarboxnation.com/group/cbgwiringelectronics The first diagram shows one piezo, just add a second and wire them in parallel.

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Permalink Reply by Blues Frog on September 17, 2015 at 1:32pm

Soething like this?

Something like this?

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Permalink Reply by Paul Craig on September 17, 2015 at 9:45pm

Yes

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Permalink Reply by john mackay on September 17, 2015 at 11:05pm

sorry for hijacking this thread but what benefit having 2 piezos?

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Permalink Reply by Paul Craig on September 18, 2015 at 10:09pm

Place in different areas for a mixed sound .

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Permalink Reply by john mackay on September 18, 2015 at 10:52pm

I'll try that.thanks

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Permalink Reply by Kirby Amick on September 20, 2015 at 11:15am

the question has been answered accurately but in my case.  I'm a banjo player and I've decided to make my own pickup.  I've tried one piezo but It doesn't pickup all of the frequencies.  So companies like K&K make these with two piezos to place on either end of the banjo bridge. since it does me no good to toggle between the two in this case.  I have no need tor the toggle switch.

the same would hold true for a guitar.  I think since most CBG's only have 3 or 4 strings.. it's less of an issue but placing them on either end of a wooden bridge could make a big difference

Many thanks to Blues Frog for the lovely diagram.

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Permalink Reply by Blues Frog on September 20, 2015 at 2:37pm

A crude drawing at best, but sometimes any visual is better than none.

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Permalink Reply by Paul Craig on September 20, 2015 at 7:28pm

Some people use the switch and place one piezo under the bridge and one somewhere on the soundboard to get different sounds.

I tried doing two under each side of the bridge on a guitar, but wasn't very happy with it. It's better to move them around to find the right spot/spots before the final placement. My CBG has one piezo on the bass side of the strings right in the middle between the bridge and neck. Started with a 500k volume pot, but changed to a 1meg for a better sound. Not shrill.

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Permalink Reply by TruckDrivingFool on September 21, 2015 at 2:37am

What you want is a blend pot, I've had good success using a dual line pot (basically two stacked pots) wired as such.

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Permalink Reply by Kirby Amick on January 9, 2016 at 5:05pm

Thanks Truck driving fool.  I will try this next

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Permalink Reply by TruckDrivingFool on January 10, 2016 at 12:56am

I'll add that I've been using B100k pots for this.

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