STC Preamp bypass switch issue

[Slapass]

Hi there,
Recently, I installed a bypass switch (DPDT) on my active Jazz Bass with SD basslines and STC2 preamp. It worked, exept the BIG volume loss when balance at center (like PU's out of phase). The PU's to balance pot connection is correct. Any suggestion or feedback?

 

[Slapass]

Re: STC Preamp bypass switch issue

Hi there,
Recently, I installed a bypass switch (DPDT) on my active Jazz Bass with SD basslines and STC2 preamp. It worked, exept the BIG volume loss when balance at center (like PU's out of phase). The PU's to balance pot connection is correct. Any suggestion or feedback?

I have to add that I got the instructions from SD forum: http://www.seymourduncan.com/blog/tips-and-tricks/hot-rodding-the-stc-preamps/