Re: Searched, could not find info:scatter, loose, tight, normal wind
Whoa, Gentlemen.
I started this and it has become something else of it's own.
So I will close it tomorrow night if someone has any thing useful that hasn't been said, it must be applicable to my original post. Alex put this in perspective, and I agree.
Tons of info here, thanks to all participants.
Steve Buffington
FWIW, have you also searched on the music-electronics forum in topics like this one?
http://music-electronics-forum.com/t26538/
Regarding the thread above and to put in perspective the last link, here are my last two cents.
One of my friends is a retired luthier. Around 1980, he has been the first in my country to import Bill Lawrence’s products.
A few years ago, this friend was still designing his own pickups.
His lab include(d) things like a MCP CQ5010C oscilloscope, a Tonghui TH2811D LCR Meter etc. He has used this gear during rational researches, allowing for example to design what he considers as the best humbucker for his own guitars : it’s a passive PU reading more than 16k and with an enormous inductance of almost 12H… but still clearer sounding than some 8k equivalents.
Now, what he thinks to be his most successful single coil is not born from lab researches: he has explained me that he had found this recipe by luck, after an intuitive trial…
This short story reflects my own humble experience these 3 or 4 last decades.
Yes, most magnetic guitar pickups have comparable / predictable specs and physical reactions in terms of LRC, output voltage, Gauss level or electrically induced resonant peaks, Q factor, phase response, and so on… I measure such things for almost 15 years now and I rarely obtain surprising results.
Things are not so clear IME when the same transducers are played in test guitars, in order to capture their ADSR envelope, harmonic spectrum under chords and single notes, etc… Because some pickups refuse to be reduced sonically to their theoretical proflie.
For example, I’ve met things like a boutique P.A.F. clone exhibiting a solid 5,6H of inductance and whose sound should therefore have been beefy.. but it was clear and bright like a strong single coil once mounted in 3 different guitars.
I’ve also noticed that in the same guitars and under the same strings, ALL other factors being equal, some pickups would capture more harmonics than others with similar specs. The pickups of a L Series Strat that I've periodically in maintenance come to my mind.
It’s not a question of tension, turns per layer, helical or scatter winding, hand wound vs machine wound coils, magnets, Gauss levels, permeable alloys, (un)potting - at least, the key is not for me in these things considered separately.
It’s just that some “blends” of simple materials according to some seemingly simple recipes behave
musically as being more than the sum of their parts and tech specs.
You have owned a real P.A.F., Steve, so I think that you know what I’m talking about.
For me, the key parameters here are "synergy" and "fecund unexpected specs", and if the first aspect can be rationalized, the second one, is
necessarily harder to grasp... But I'm not sure that it can't be mastered intuitively, by people who have years of experience and practice - like seasoned winders? ; 0 X
End of my stupid ignorant rambling for the moment.

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