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CBG wiring & electronics.

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Want to plug that thing in? Here's a place to share ideas about pickups (Both magnetic and piezo) and wiring in volume and tone control, the best options in output jacks, and more!

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Discussion Forum

Can I do it this way?

Started by Turkeychicken. Last reply by Bassman 23 hours ago. 4 Replies 0 Likes

Hi all, I'm wiring up a current build that has a single coil at the neck and dual piezo under the bridge. I don't want to have a 3-way switch, instead I want to run the pickup through volume and tone…Continue

Onboard EQ/preamp bypass

Started by Don Tucker. Last reply by wes carl May 3. 13 Replies 1 Like

I'm looking to build a CBG using Gitty's EQ-7545R EQ/preamp. I want to add a bypass switch to send the piezo signal straight to the jack in case the battery goes dead or the preamp craps out in the…Continue

Blend pot vs 3 way switch

Started by HarleyTodd. Last reply by HarleyTodd Apr 24. 4 Replies 0 Likes

Hi. First build with 2 disc piezos turned out good, now on to better stuff! Half way through a build with a rod bridge piezo and a single coil pup. Question is blend pot, 3 way, or separate. So, as a…Continue

Piezo / single coil schematic and capacitor advice needed.

Started by Turkeychicken. Last reply by HarleyTodd Apr 18. 7 Replies 0 Likes

Hi all, I am having trouble finding a schematic. I am wanting to use a piezo under the bridge, a single coil at the neck, 3 way switch, 1 volume, 1 tone. Can anyone point me in the right direction?…Continue

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Comment by David L. on August 13, 2012 at 4:51am: To be more exact it will work and the preamp kit you have listed will need only an extra regular guitar jacksocket to complete the stand alone preamp. Chop off the piezo rod and the rest fixes together like this

The cut piezo wire has only a thin plastic wire inside for the hot wire, the metal braided wire around this is piched back and twisted to give you the ground wire.

Comment by PhilUSAFRet on August 12, 2012 at 7:13pm: Hmmm, will have to study this. To be clear, I'm not making an amp, just a pre-amp/eq with inputs for instrument and mic incuded, feeding a out jack to a combo amp. Can I just plug in 2.5mm piezo jack to eq cut off piezo rod, and solder to out jack contact.?

Comment by David L. on August 12, 2012 at 7:08pm: Hi Phil,

I used a 2.5mm jack wired to a normal guitar jack socket so this was then the input for the preamp using a switchable jack for the output to the amp so when not plugged in the signal goes to a smokey LM386 circuit for the speaker so it doubles as a mini travel amp. The preamp was an old one with the battery box/jack missing so I had to improvise. If you have a spare rod piezo the jack plug plus a bit of the cable will do the job.

Comment by PhilUSAFRet on August 12, 2012 at 6:35pm: Couldn't decide whether to put this under amps or this one. Am looking at a guitar 5 band eq and preamp on ebay. My queston....Instead of using the piezo, how can I connect an input jack to the eq ? Cut off piezo and solder to a jack?

Want to make an external pre-amp with eq mounted in a smal cigar box for all my instruments with passive pickups. Anyone else done this? Anything on this site?

http://www.ebay.com/itm/220817728851?ssPageName=STRK:MEWAX:IT&_...

Comment by Soulcatcher & His DooFa Diddley on July 2, 2012 at 10:06am: cheers for that eric

I didnt know that without the vol it would sound brighter.

well i ll have a go and see what happens

Comment by eric gittins on June 29, 2012 at 9:53pm: run the earth wire to the bridge from the ring connection of the jack - that's the only earth point you have.

bear in mind also that all volume pots load down the frequency response of the pickup, which is the sound we are used to. without a pot your humbucker will be brighter than normal, which may or may not be a good thing. you may love the sound. see how you go.

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Comment by Soulcatcher & His DooFa Diddley on June 29, 2012 at 3:33pm: You say ground to the bridge , but what from?
Do I add another wire from the pickup to the bridge

Sorry im not 100% sure
Cheers Soul

Comment by wes carl on June 29, 2012 at 9:57am: that should work if not just ground to the bridge or strings try it first ya might not have to bother

Comment by Soulcatcher & His DooFa Diddley on June 29, 2012 at 9:54am: Just A quick Q:

ive got a humbucker pick up and i want to put it in my CBG but im not bothered

about a volume pot so its wired stright to the phone jack

so my Q: is how would i earth it ????

Comment by MichaelS Country Boy Guitars on June 26, 2012 at 1:57pm: Boy, wish I was british maybe I'd get my question answered too. Ha just kidding mates.

Cool domino pups James!