Originally posted by freefrog
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Gibson Les Paul Pickups - To Cover or Not To Cover
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Originally posted by Securb View Post
If you need a computer to analyze the frequencies do you think the average ear will be able to hear a significant difference?
You can do side by side aural comparisons too (like the Bareknuckle Pickups one), and they also confirm a noticeable difference side-by-side even with the better quality covers.
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The Just-Noticeable-Difference for a human is around 1db (varies by pitch...) assuming "normal" hearing. So on that curve, there is probably no difference perceived out until 4k or so.
There is a big difference in the slugs at the end vs others. But those three are pretty close. Probably indistinguishable.
And those pitches out at 18k+ could be killed by a cable, a speaker cone, or whatever.Originally posted by Bad City
He's got the crowd on his side and the blue jean lights in his eyes...
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Originally posted by Lucius Paisley View Post
So what am I looking at exactly? What's going on at 7000Hz/17dB compared to 20000Hz/8dB?
Resonant peaks shape the upper harmonic response of such transducer. 40 years ago, people like Larry DiMarzio explained that resonant frequencies set the "voice" of pickups. That's why Seymour has mentioned resonant frequencies in his specs during decades.
There's thousands of similar pics in my archives, thousands or comparable tests done by other people elsewhere on the web. The only difference is that lab routine here doesn't use an "integrator" circuit.
Here is the kind of link that I use to share after such posts: http://www.buildyourguitar.com/resources/lemme/
The Just-Noticeable-Difference for a human is around 1db (varies by pitch...) assuming "normal" hearing. So on that curve, there is probably no difference perceived out until 4k or so.
There is a big difference in the slugs at the end vs others. But those three are pretty close. Probably indistinguishable.
And those pitches out at 18k+ could be killed by a cable, a speaker cone, or whatever.
The maximal difference in the Rz measurement is of a bit more than 1dB for screws and 1.5dB to 4dB from Rz to 20khz for slugs... and as previously explained, it's not even due to a bad cover.
These differences in upper register will be heard or not according to the amount of gain used, amp and its cab(s) etc.
I mean that if the guitar is plugged in a Jazz Chorus or Fender Twin with bright switch enabled, the difference will be much more obvious than through a Metal Zone with gain full up. :-D
More later if time permits.
NOTE - I live in Europe. It's 7:10 AM here. My previous answer has been posted around 2AM, while I couldn't sleep and wanted to change my mind by sharing free info with this forum (reasons : 2 people in my family are seriously hill and I wait results to know if I've been contaminated myself)...
These private infos are meant to put in perspective my contributions in this thread (if not their "tone": I hope it's not the case since I always try to stay polite and zen in my posts). It also states why I might stay silent for a while - or definitively, who knows? "LOL".
Duncan user since the 80's...
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NOTE - I live in Europe. It's 7:10 AM here. My previous answer has been posted around 2AM, while I couldn't sleep and wanted to change my mind by sharing free info with this forum (reasons : 2 people in my family are seriously hill and I wait results to know if I've been contaminated myself)...
These private infos are meant to put in perspective my contributions in this thread (if not their "tone": I hope it's not the case since I always try to stay polite and zen in my posts). It also states why I might stay silent for a while - or definitively, who knows? "LOL".[/QUOTE]
You're doing pretty with so much on your plate. F' this virus.
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So sorry to hear about your family illness. Hope they all get feeling top notch soon and that you have avoided getting the virus.Originally Posted by IanBallard
Rule of thumb... the more pot you have, the better your tone.
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Originally posted by GuitarDoc View PostSo sorry to hear about your family illness. Hope they all get feeling top notch soon and that you have avoided getting the virus.Duncan user since the 80's...
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Regarding covers, there's another topic on TGP, with answers from pickups winders: https://www.thegearpage.net/board/in...-tone.2328270/
FWIW (= an humble attempt to stay informative).Duncan user since the 80's...
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A forum member did a before and after recording with and without covers, same guitar, amp, & settings. There is a subtle audible difference, a little more liveliness, but very slight, and you could never listen to a guitar on its own and tell if the pickups had covers or not. You can always add a little more high-end thru your amp; who keeps the treble on 10?
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Originally posted by BluesMan335 View PostYou can always add a little more high-end thru your amp; who keeps the treble on 10?
And once again, all covers are not equal. A good cover has a minimal impact on tone. A bad one can throw a blanket over the sound. Sadly, this difference of quality doesn't depend on the price, can't always be seen and one can't necessarily measure the thickness of a sample examplary, nor saw it to check if there's brass or copper under its plating... Reason why I was evoking the problems of sourcing experienced by my friend winder back in the days.
Last edited by freefrog; 02-07-2022, 02:21 AM.Duncan user since the 80's...
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...And let's share what someone else said on another website: his experimental results are close to ours (sorry to add an answer rather than editing the previous one: I've got an error message when I've tried).
https://alexkenis.wordpress.com/2016...one-and-noise/Duncan user since the 80's...
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