Posted by Hank Bruner on January 26, 2011 at 12:33am
I am trying to wire up piezo pickups, volume pot and jack to my cbg. I have a volume pot from radio shack I would like to use, and am confused about how to wire it. I am a total dork when it comes to wiring. It is a 500k ohm with a push button setting? It has two solder points on the side, and three solerpoints on the back. I have tried various connections, but nothing seems to work. Its like its wired straight from pick-up to jack.
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I have never used a pot like this with only two lugs and one of the reviews on this pot mentions this limitation.
From this site http://www.beavisaudio.com/techpages/Pots/ it explains why 3 lugs are better than 2. If you are unable to get it to function as you want I would buy a "regular" pot with 3 lugs as they are cheap to buy. I am from the UK but add this UK site for the pot info on the top right of the page as a guide to what you want http://www.axesrus.com/axeElectronicsPots.htm.
With a bit of luck somebody will be along later who may have used one of these.
Also - no way are you a "dork" - you have been sold something not usually used for a guitar volume so any instructions you try to use will be confusing.
I have never used a pot like this with only two lugs and one of the reviews on this pot mentions this limitation.
From this site http://www.beavisaudio.com/techpages/Pots/ it explains why 3 lugs are better than 2. If you are unable to get it to function as you want I would buy a "regular" pot with 3 lugs as they are cheap to buy. I am from the UK but add this UK site for the pot info on the top right of the page as a guide to what you want http://www.axesrus.com/axeElectronicsPots.htm.
With a bit of luck somebody will be along later who may have used one of these.
Also - no way are you a "dork" - you have been sold something not usually used for a guitar volume so any instructions you try to use will be confusing.
I have never used a pot like this with only two lugs and one of the reviews on this pot mentions this limitation.
From this site http://www.beavisaudio.com/techpages/Pots/ it explains why 3 lugs are better than 2. If you are unable to get it to function as you want I would buy a "regular" pot with 3 lugs as they are cheap to buy. I am from the UK but add this UK site for the pot info on the top right of the page as a guide to what you want http://www.axesrus.com/axeElectronicsPots.htm.
With a bit of luck somebody will be along later who may have used one of these.
Also - no way are you a "dork" - you have been sold something not usually used for a guitar volume so any instructions you try to use will be confusing.
Thanks for all the suggestions. I tried the link to Seymore Duncan's site, and it looks like I may be able to use that set up. I am just trying to use it for a volume control, but like I said, I am a dork when it comes to wiring things like this.
Please disregard what I said. I was thinking about jacks, not pots for some reason. It must be too early in the morning - lol!
Ok, so a normal volume pot has three lugs. So I would try using the three lugs and wiring those like a normal pot, and ignoring the other two. Then make sure the pushbutton is not pushed the wrong way.
A regular mono jack has two solder points. One goes to the tip of the jack when it's plugged in and one goes to the ground. A stereo jack has three, so I'm wondering if your jack is a mono that converts to a stereo when you push the button?
Do you have a part number for it so it could be looked up in the Radio Shack Catalog?
Anyway, it seems like you could safely ignore the three lug side and just solder up the two lug side like a normal jack. And then just leave the pushbutton in the correct position for that side.
Replies
carverman said:
I've used push-pulls on my custom gits for a few years. I use the alpha series (available from Stew-Mac) and the pot
and push pull switch is completely independent. You can use the pot separately.
Now as far as using the switch for some function...you could use it to switch battery power to a preamp, but some jacks
have this provision already, so this may be a moot point if it has just two on-off contacts.
David Lloyd said:
Hi Hank,
Am I right in thinking the pot you have is this one?
If so the link for others to check it out is here http://www.radioshack.com/product/index.jsp?productId=3012598
and the datasheet info here http://www.radioshack.com/graphics/uc/rsk/Support/ProductManuals/27...
I have never used a pot like this with only two lugs and one of the reviews on this pot mentions this limitation.
From this site http://www.beavisaudio.com/techpages/Pots/ it explains why 3 lugs are better than 2. If you are unable to get it to function as you want I would buy a "regular" pot with 3 lugs as they are cheap to buy. I am from the UK but add this UK site for the pot info on the top right of the page as a guide to what you want http://www.axesrus.com/axeElectronicsPots.htm.
With a bit of luck somebody will be along later who may have used one of these.
Also - no way are you a "dork" - you have been sold something not usually used for a guitar volume so any instructions you try to use will be confusing.
Regards,
David
So what do you plan to do with the push/pull switch?
Here is a link to Seymour Duncan's site, but it's using to the push/pull to split the humbucker coils. But it may help a bit.
http://www.seymourduncan.com/support/wiring-diagrams/schematics.php...
Hank,
Please disregard what I said. I was thinking about jacks, not pots for some reason. It must be too early in the morning - lol!
Ok, so a normal volume pot has three lugs. So I would try using the three lugs and wiring those like a normal pot, and ignoring the other two. Then make sure the pushbutton is not pushed the wrong way.
A regular mono jack has two solder points. One goes to the tip of the jack when it's plugged in and one goes to the ground. A stereo jack has three, so I'm wondering if your jack is a mono that converts to a stereo when you push the button?
Do you have a part number for it so it could be looked up in the Radio Shack Catalog?
Anyway, it seems like you could safely ignore the three lug side and just solder up the two lug side like a normal jack. And then just leave the pushbutton in the correct position for that side.