Re: ive just been confused
This is a pretty complex issue, and I'm just going to hit the highlights 'cause its late.
DC resistance and output are
loosely related, but not enough to make it a "rule". For one thing, magnet strength is also important. Then there's frequency response.
Two pickups, that have the same magnet, but one is wound significantly "hotter", (higher DC resistance), will
probably have a higher output voltage. The problem comes when you compare resistances that are off by a smaller margin. One may have more bass, while the other has more treble. Depending on your setup, two different people may percieve each as the hotter pickup. Or, you may percieve them as different, in different guitars. Thats sort of where "henries" come in. The inductance, (henries), is a measure of the degree to which the coil resists voltage change. The opposite of a capacitor. (Which resists a steady state.) The inductance also affects resonant peak. All objects have a resonance point. If the resonance of the pickup matches the resonance of the guitar wood, you'll percieve a higher output, even though no greater voltage is being generated.
See . . . it gets deep.

Basically, you can use the DC resistance to get a rough idea of output and EQ, but it will be
real rough, and not necessarily consistant. Its one of those things that will become more clear the more you can actually play with different pups and experience how they sound, relative to their "specs".