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PostPosted: Fri Jun 20, 2014 5:54 pm 
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Cocobolo
Cocobolo

Joined: Sat Apr 28, 2012 7:27 pm
Posts: 277
First name: James
Last Name: Greene
State: Maine
Focus: Build
Status: Semi-pro
What I want to do is in theory quite simple. But I'm a bit unsure how to execute it.

I want to use a simple preamp with piezo system such as this: http://www.amazon.com/Belcat-UK-400T-Uk ... cat+uk400t

along have a typical electric guitar pickup.

I want to have a selector switch or blend knob that can select back and forth between these two systems.

Any tips for me?


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PostPosted: Sat Jun 21, 2014 12:25 pm 
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Cocobolo
Cocobolo

Joined: Sat Apr 28, 2012 7:27 pm
Posts: 277
First name: James
Last Name: Greene
State: Maine
Focus: Build
Status: Semi-pro
Perhaps I need to use something like this?

http://www.musiciansfriend.com/accessor ... tads-plaid^57303561547-sku^303128000000000@ADL4MF-adType^PLA-device^c-adid^30423132507


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PostPosted: Sat Jun 21, 2014 12:38 pm 
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Cocobolo
Cocobolo

Joined: Sat Apr 28, 2012 7:27 pm
Posts: 277
First name: James
Last Name: Greene
State: Maine
Focus: Build
Status: Semi-pro
All I want to do is have an electric guitar pickup (standard design with magnetic pole pieces) alongside an undersaddle peizo pickup and be able to switch back and forth between the two with a blend knob or selector switch.

Or alternatively, simply have each on all the time and just have 2 volume knobs - one for each pickup.

I am open to any way to make such a setup happen and am coming up short on tips and write ups online. Any suggestions would be awesome.


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PostPosted: Tue Aug 05, 2014 8:54 pm 
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Walnut
Walnut
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Joined: Sun Jul 27, 2014 4:01 pm
Posts: 14
First name: Isaac
Last Name: Im
City: Chatham
State: NJ
Zip/Postal Code: 07928
Country: United States
Focus: Build
Status: Amateur
two volume knobs are known to be... fussy. don't ask me why

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PostPosted: Tue Aug 05, 2014 10:10 pm 
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Contributing Member
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Joined: Thu May 12, 2005 5:46 am
Posts: 2969
Location: United States
I built this guitar many years ago pretty much as you describe. I used an transducer on the underside of the sound board, it was originally designed for a medical application I believe and it had enough output to use as is and ran it straight to the jack, the a couple of pickups and a volume knob of each of the pick ups. No selector switch, just turn the volume off but the transducer was always in the mix. This design was my customers, not mine. It seems to work pretty well.
Attachment:
front view small.jpg


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http://jameswattsguitars.com


Last edited by Jim Watts on Wed Aug 06, 2014 12:17 pm, edited 1 time in total.

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PostPosted: Wed Aug 06, 2014 12:15 pm 
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Contributing Member
Contributing Member

Joined: Fri Jun 22, 2012 11:12 am
Posts: 1170
First name: Rodger
Last Name: Knox
City: Baltimore
State: MD
Zip/Postal Code: 21234
Country: USA
Focus: Build
Status: Amateur
You could use something like the schematic in the attached .pdf

Attachment:
MIMFmag.pdf


Here a shot of one I built.
Attachment:
IMGP2994.JPG


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A man hears what he wants to hear, and disreguards the rest. Paul Simon


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