This is a Seymour Duncan STC-3A 3 band preamp. Intended for active pickups, it can be converted to use with passive pickups with a change in the blend pot to 250K. This has a "slap" switch (mid-range cut, bass boost) that is currently wired to a mini-toggle; it can be rewired to use the original push/pull master volume for the same function. The mid range cut and bass boost, when activating the slap contour, can be adjusted with trim tabs on the circuit board. The wiring that needs to be hooked up is marked from when I took it out; also included is the original wiring diagrams (which can also be found here- http://www.seymourduncan.com/support...ematic=3bandtc
Will take $
$60 shipped for this, via PayPal. As a special deal, I've got a set of VM Jazz pickups for sale in another thread- FS-Duncan Designed JB Pickups
I'd go $
$75 for the combo of the pups and preamp. Real good tone, real cheap!