Mcnach, Nice work on your OLPs! I picked up one very cheap as well and changed the controls from V-T-T to just V-T. I could never find "neutral' with the old knobs. BUT, I have to put in some active electronics, 3 or maybe just a 2 band. I don't want too many knobs, so I can just play bass. Single pickup also takes away the pandora's box of "too many choices". Also, I want a switch to take me back to passive if I want. Any suggestions on preamps?
Thanks.
Yeah, I used to like having many options but in the end, one pickup close to the bridge does it for me. I have a Warwick Corvette $$:
That one has two pickups, 2-band EQ, you can switch each pickup between parallel, series, or single coil mode... Really versatile. But in the end I found it a bit too much and just used a couple of settings. Mostly involving the bridge pickup.
On my jazz bass, only the bridge pickup gets used regularly too...
So the single pickup Stingray (or clones) make sense to me.
Before changing preamp, I'd change the pickup. It's a lot simpler... and although it won't give you the range of sounds a preamp would, it will give you a much better "bassic" sound. I am partial to Seymour Duncan SMB-4A. My black OLP still has no preamp, and just the pickup replaced, and it sounds massive. Great improvement.
When it comes to preamps... I love the 3-band I installed in my first OLP. It's a Seymour Duncan (no, I don't get paid by them ;-) STC-3M3. Three knobs. The volume can be pulled to engage a "slap" preset (it can be adjusted on the board). The other two knobs are mids, and stacked bass/treble. I regularly get great comments on this bass' sound, through various rigs.
I like it a lot.
I have an Aguilar OBP-3 that I was going to install in the black OLP, but so many cables put me off a bit (I'm lazy, the SD preamp was so easy to install

) and also, I think I would like to try the 2-band route.
Someone in another thread has made PCB boards cloning the original Stingray preamp. He just started posting them so you may be able to get one still. The board plus the components won't amount to much money, and all you have to do is follow the diagram and solder everything together... The people who have trie dit say it sounds great, including some who own the real thing... So I'm going to install one.
The John East preamp was also tempting me before. Volume plus two stacked knobs... you can select the mid frequency too. Should be pretty good. But the 2-band clone is supposed to sound more like a Stingray (obviously, it's copied from one!), so it depends whether you are after the classic stingray sound or a more modern variation.