Hello,
Was going to add Mini Hb and a Piezo with their own volume control, but wired into same output jack. Should be able to adjust volumes and sort of mix the two sounds for something new. Has anyone tried this? Did you like it? Still a little new at this.
Replies
It works Bob,but,their is a problem with the signal returning to the turned down pup,it's hard to explain,so i'll just paste a link from Eric[badfinger] from a year or 2 ago
Reply by Bad Finger (Eric) on May 11, 2015 at 8:37am
This is a big problem with dual volume controls on a piezo and mag setup. You have two options, only one of which I have done, but the other I trust.
First option is to get a couple diodes and put them inline with the output of each pot. This prevents signal from going through the pot to ground and not to the jack. Check this thread and about the 6th reply down to see a link and wiring diagram example.
http://www.cigarboxnation.com/forum/topics/piezo-or-mag-pickups-whi...
http://www.strat-talk.com/forum/stratocaster-discussion-forum/13405...
I have done this and it works very well. Diodes are cheap too.
The other option comes by the way of The Phrygian Kid and he suggests just connecting the 3rd tab of the pot to ground. This makes it simple variable resistor. I did not know this before putting diodes on my guitars and so I have not tried it. He's more than a trustworthy source of info though.
The last thing to check is to ensure you have a single point of grounding connections. Only one. Like, one. Multiple points of ground can cause huge headaches. Ground everything to one single point and then to the jack.
I have found the rod piezo/mag dual volume combo to be among the most frustrating to wire up. Keep at it.