Low output on A and D string

Just FYI, one can tell by these Joe Bardens, and other staggered pickups, that it needs just to be a miniscule amount of millimeters or hundredths of an inch to produce difference in timbre, and output. Hence that these arcs of the rails are like just one and a half millimeter higher in the middle. I think Bartolini once had measures (on his site) how much lower in output a pickup will become just by lowering it the slightest. It was like if you lowered it by the thinnest string gauge of the g-string (say .040) the output were cut in half. In db. Or something like that. That measurement was valid for most of his rail/ceramic pickups.

So the radius of both strings and pickups makes the most sense, here it seems.
 
Right, finally got around to addressing this again. Fitted the G to the E course and it was loud, louder than the E was. It dipped bit in the A slot but by then I just decided to slam in the Sei-Q Toaster copy (it's really a P90 style) and restring with new Warwick Reds. Well, no more over-loud G or dull A & D.

I'm convinced that something was going on with the ceramic pup. Where, I don't know. Something with the strings, too? Anyway, the lower R value and different magnet in the new pup makes the bass sound more Rick-like.

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