Fender and other P-J Basses?
A bass with a Precision-style pickup at the neck and a Jazz-style pickup at the bridge is a popular pickup combination. Some builders use it mainly for the look, and in that case, they usually want both pickups to sound equally strong. That’s understandable, but the P-J layout was never meant to be about balance. It was about versatility.
The idea was simple: instead of carrying both a P-Bass and a J-Bass to a gig, a player could bring one instrument that delivers the core voice of both. The tradeoff is that the pickups don’t sound equally powerful when compared directly. That’s not a flaw—it’s the natural result of how they’re built.
A Precision pickup has a larger coil and a wider sensing window. That gives it more output and a fuller low end. A Jazz bridge pickup has a narrower coil, smaller sensing window, and sits in a part of the string that naturally moves less. Of course, the P sounds bigger. That’s exactly why the two basses have such different voices.
Our design philosophy is to preserve those voices. If we “balanced” the P to match the J, we’d be throwing away what makes the P pickup so strong in the first place. A P-J is really two instruments in one—and that means they won’t be equal in level.
That said, some players prefer a more even blend. The easiest way is to reduce the P pickup’s output with a resistor (typically 10k–18kΩ) in series with its output wire. Michael Pedulla used this approach, often at 18k, and it worked beautifully for him and his players.
What we think is the best way to balance these pickups and enhance their natural characteristics is with our AGDB/918-2 buffer. Two independent channels with true gain control from 0db(1x) to 12dB(4x) make it ideal for dialing in the exact balance you want between pickups. The AGDB gives you a fully unloaded resonant pickup with a very high output. Our DB buffers are voltage feedback buffers that have a very accurate and flat response with an extremely low noise floor. With the AGDB you cannot have a full bypass to a purely passive system. You could still have an EQ bypass for an immediate tonal change.
If a P-J set from any maker seems perfectly balanced, it’s because the P pickup has been intentionally limited to match the J. Understanding that tradeoff helps you decide what’s right for your style.
If you are replacing pickups, please check the length of J-Bass* pickup. Is it a “short” or neck length pickup (3-5/8″ or 92mm)? Or is it a “long” or bridge length pickup (3-3/4″ or 95mm)?
