Hey everybody! Ok, so this summer I'm planning on making another Frankenbass to add to my collection. Right now I'm planning on buying a jazz-shaped SX bass to start with. My first move will be to fill the stock pickup routes, so I can re-route to fit a MM-style humbucker between the two Jazz-style pickups. I'll probably position the humbucker to be in the Stingray sweet-spot and adjust the single coil pickups to fit accordingly. Currently all of my basses are passive, so I really want to incorporate an active preamp into this bass, just to have something different. If at all possible, I'd like to be able to be able to bypass the preamp to use the pickups passively in case of emergencies, but that isn't a deal breaker. I'm a big fan of Seymour Duncan pickups, so without doing a ton of research on how well they would pair together, I've been considering the Quarter Pound Jazz set and either the SMB-4D or SMB-4A. Just from the reviews I've seen, I tend to favor the SMB-4A, but that's subject to change. I know very little about active preamps, so any recommendations on what would work well with this setup is appreciated. I should also probably say that I'm not overly concerned with slight output differences. I would like to have a switch to change from both J pickups engaged to just the MM. That being said, I don't really plan to mix the MM with either of the single coils, but I wouldn't mind having that option. My question is how can I go about wiring this setup? I've scoured the internet trying to find information that would assist me, but I haven't found anything especially useful so far, so any help is greatly appreciated. Thanks!