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Old 18th March 2004, 12:30 PM   #1
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Default Odd Gibson Wiring

I have a Gibson bass that someone tried to mod with the "recording" pick-up. He added several controls, one of which is labelled "Decade". Can anybody explain how this is wired or lead me to a schematic of the Les Paul Recording or similar.
The wiring in this instrument was completely stripped, so I'm starting from scratch.
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Old 18th March 2004, 01:02 PM   #2
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Have you got a year or a S/N?

Somewhere I have a big file of schemas from Gibson from my old tech-ing days, it may take a while, but I will see what I can find.
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Old 18th March 2004, 01:14 PM   #3
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You might find something useful here: http://www.guitar-parts.com/gibson.htm several schemes that might help.
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Old 18th March 2004, 04:37 PM   #4
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Unfortunately this is a complete cut and paiste job someone did to a EB style bass. The recording pick-up was added and not hooked up, and extra pots were added with labeled knobs. I've been through just about every guitar schematic website you can find, and no mention of the "decade" control. I did find that the recording pick-up is wired separate from the other two, with it's own output jack. Supposed to be used to connect directly to a recording console. The pick-up has very few windings (compared to regular pick-up) so it's impedance and noise level are very low, as is it's output.
I'm going to wire the normal pick-ups similar to a Ripper bass, but I'd like to utilise the decade control as well.
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Old 18th March 2004, 05:01 PM   #5
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Everything you always wanted to know about the LPR but were afraid to ask:

http://www.gould68.freeserve.co.uk/l.../lprusers.html

edit: Ooops, I just noticed that the forum is a dead link on that page. Maybe you can email the webmaster?
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Old 18th March 2004, 06:21 PM   #6
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The link worked for me. No schematic but at least I know what the controls do.

Thanks.
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Old 18th March 2004, 07:16 PM   #7
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No, I know the link I gave is good, but the link on that page to the forum is dead. If the forum was still up and running, I'm sure a member could have pointed you to a schematic. Good luck!
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Old 19th March 2004, 11:27 AM   #8
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Yeah, your right, the forum there seems to be gone. I'm going to improvise the rest of the circuit at this point.
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Old 19th March 2004, 07:57 PM   #9
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Thanks to all for yor help. Scott, guitar-parts.com did indeed have what I was looking for. Looked right at it and never saw it originally. Brain cramp I guess. The Les Paul Recording schematic is just what I wanted, just had to change some values to better suit a bass.

Thanks again
Dan
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