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HollowMan227 said:I'd be willing to bet it's a pickup pan knob... if I'm right, it can either evenly blend both pickups, or shift the emphasis from one to the other.
Thanks. If it has 2 pups, I knew it was a pan, but one it could be a midrange. Thanks for the correction, Tbird.Tbirdbassist said:And to Unchain
BTB's only come with 2 pickups, both dual coil.

Maybe I can offer a better explanation. Without that knob, your bass would automatically balance your output between both pickups. Said differently, each pickup contributes equally to your sound (although based on your technique and hand position, one pickup may end up affecting the sound more, though both are working equally hard at it). Now, insert a pickup pan knob (also called a blend knob), and as you turn it to one extreme or the other, the balance between the output of each pickup shifts. Typically, turning it clockwise causes the neck pickup to carry more of the load in creating your sound, and conversely, counter-clockwise puts more responsibility on your bridge pickup. Since each pickup affects your sound differently, you get different resultant tones. It's virtually the same thing as using a fader in your car stereo and shifting the balance from the back seat to the front seat, except with multiple pickups in a bass, the overall tone changes. Make any more sense this way?Plaster said:Hmm, and what does that mean exactly?