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Thread: Jem Brmr Piezo Project with pics! Reply to Thread
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  Topic Review (Newest First)
06-17-2007 01:16 PM
Devo
Re: Jem Brmr Piezo Project with pics!

Quote:
Originally Posted by tony777 View Post


The wiring diagram as it is on my guitar.



This is the same wiring as above, with added push pull fuction to get piezo and magnetic together. I haven't tried it but I'm sure it will work.

Enjoy

Tony
That is a brilliant wiring diagram, thanks for sharing!

Sorry I didnt mention it before but that guitar looks seriously cool!

Steve
06-17-2007 12:48 PM
ken
Re: Jem Brmr Piezo Project with pics!

Quote:
Originally Posted by tony777 View Post


And here in full size
I'm sorry, but that is one BAD-ASS guitar. Wow. Coolest thing I've seen in a while. Wow.
06-17-2007 11:52 AM
tony777
Re: Jem Brmr Piezo Project with pics!



The wiring diagram as it is on my guitar.



This is the same wiring as above, with added push pull fuction to get piezo and magnetic together. I haven't tried it but I'm sure it will work.

Enjoy

Tony
06-17-2007 09:57 AM
Devo
Re: Jem Brmr Piezo Project with pics!

if you PM "gitarrero"... I think his name is oliver .... he knows a guy who will make them (by modding a switchcraft stereo I think), but generally doesnt offer them for public sale so they are pricey (~$30).

I run a single stereo cable to a splitter box ... one side goes to my mag rig and the other goes to the PA via an acoustimax preamp. works very well... would work better with the switch contact jack though.... one less switch

Steve
06-17-2007 08:42 AM
tony777
Re: Jem Brmr Piezo Project with pics!

Quote:
Originally Posted by Devo View Post
I couldnt get a stereo barrel jack with a switch contact
I know, I've been looking for those for quite sometime now.

Quote:
Originally Posted by Devo View Post
The only thing I would add is a simple push-pull mod (Im sure you considered it already) which would give you piezo in parallel with the mags over all switch positions...
I think there is enough space to have a push pull pot where the volume pot is, so that option should be possible.
I never use the piezo and magnetic together at the same output jack, so I didn't care, but if I get my hands on the previously mentioned stereo jack, that fits the Jem, I could use a Y-cord to split the signal to different amps, then it would be interesting to me.
06-17-2007 07:48 AM
Devo
Re: Jem Brmr Piezo Project with pics!

your making me doubt myselfy here... I (completely) rewired my 2020X to run a sinlge stereo output... (had to use a push pull to disengage the battery cause I couldnt get a stereo barrel jack with a switch contact) I thought i left most of the ctrlX intact... but its entirely possible that I hooked up the tone pot to the ouput of the piezo and magnetics... but my 2027 is stock so Ill check that later on ...

I have a piezo lo-pro that has been itching for a project... if I can find the right neck. I never thought of hardwiring the ctrlX and stashing it in the output jack cavity so thanks for the inspiration!

The only thing I would add is a simple push-pull mod (Im sure you considered it already) which would give you piezo in parallel with the mags over all switch positions...

Steve
06-17-2007 06:52 AM
tony777
Re: Jem Brmr Piezo Project with pics!

Quote:
Originally Posted by Devo View Post
Tone dial does work on the piezo on a 2020 (does on mine anyway). Did you do any mods to the ctrlX? or did you just did you hard wire the toggle switch in the piezo on position?

Anychance you could post your wiring diagram.. would be much appreciated?

Steve
The tone pot is not working on the piezo on my 2020 or my 2027's, so then yours must be modded, well , anyway it doesn't really matter.

I removed the volume pot and replaced it with a 100kohms resistor, and a shorting, so it will always stay on full volume, and I rewired the wires that used to go to the toggle switch.

Post the diagram????? are you mad?, it took me days,
Just kidding, but I don't have it on this computer. I'll see what I can do later on.

T
06-17-2007 06:31 AM
tony777
Re: Jem Brmr Piezo Project with pics!

Quote:
Originally Posted by GilkyBear View Post
Great job and awesome idea. How does the piezo sound??
The piezo simulates an acoustic guitar with a cable connection, just like if you used the acoustic plugged to a mixer. Though it won't be exactly the same, but it will do the job.

Quote:
Originally Posted by eviltwin View Post
excellent DIY, but sorry to see that

a Jem,
a JPM
and something with a Piezo

had to be dismembered for this

or did you put the Jem neck on the JPM?
Am I correct, that with this wiring you can't use piezo and magnetic combined?
Well nothing has been dismembered (by me though) since I got the neck and the bridge from the bay, and the body is a replacement body I got my hands on, which was brand new.

And YES it does have the locking studs mod.

You're right about that I can't use the magnetic and the piezo simultaneously, but for me that's ok, I never use that, I also have an RG2020X along with my two 2027's to do that IF I need it sometime.

So the wiring is at these postions:
1 Neck humbucker
2 Neck parallell
3 Piezo pickup
4 Neck and Bridge inner coils
5 Bridge humbucker.

regards
Tony
06-17-2007 06:27 AM
Devo
Re: Jem Brmr Piezo Project with pics!

Quote:
Originally Posted by tony777 View Post

And for this The VLX91 pickup selector was absolutely needed, as well as some mods to the control x preamp.
I removed the volume pot, and the toggle switch.
The tone knob is working on the piezo position as well, which it's not on the 2020X if I remeber correctly.

Tone dial does work on the piezo on a 2020 (does on mine anyway). Did you do any mods to the ctrlX? or did you just did you hard wire the toggle switch in the piezo on position?

Anychance you could post your wiring diagram.. would be much appreciated?

Steve
06-17-2007 06:08 AM
horstausmforst
Re: Jem Brmr Piezo Project with pics!

We need a "wiring mod of the year" award. Awesome!
06-17-2007 01:53 AM
Aaron_Jem_FP
Re: Jem Brmr Piezo Project with pics!

I'm not sure what you did, but that's one nice looking guitar!

-Aaron
06-16-2007 09:37 PM
Rodney James
Re: Jem Brmr Piezo Project with pics!

Awesome project, love the piezo sound, looks like a sweet axe!
06-16-2007 08:25 PM
eviltwin
Re: Jem Brmr Piezo Project with pics!

excellent DIY, but sorry to see that

a Jem,
a JPM
and something with a Piezo

had to be dismembered for this

or did you put the Jem neck on the JPM?
Am I correct, that with this wiring you can't use piezo and magnetic combined?
06-16-2007 07:25 PM
The Euphor
Re: Jem Brmr Piezo Project with pics!

Great!
06-16-2007 07:11 PM
GilkyBear
Re: Jem Brmr Piezo Project with pics!

Great job and awesome idea. How does the piezo sound??
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