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Vintage 1960 Paf Pickup Dc Readings Resistance

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"Perfect" PAF DC Resistance

  • Thread starter J.D.
  • Start date
  • #ane
J.D.
Joined
May 24, 2006
Messages
9,816
I've washed alot of homework and pickup testing over the years merely have not (yet) owned a genuine '50s PAF, but have tried and spec'southward alot of bazaar and PAF replicas and pickups of every type and mfg.

I've settled on ~7.8K for the neck and ~8.5K for the bridge, coincidently the spec for the Antiquity pickups. I'one thousand after an early '70s classic rock polish, fat, warm sound that does not mud up too easily.

Making some assumptions and not considering player, guitar, etc. what is your preference?

  • #2
55Custom
Joined
Sep v, 2003
Letters
half dozen,251
And I would similar to know what percent of PAF'due south in '57-'lx Standards and Community, in the bridge position, are BELOW 8k ohms.
Maybe someone has a guesstimate.
  • #3
Tom Wittrock
Joined
Aug two, 2001
Messages
42,567
Resistance is futile. :wah

:rofl

  • #4
jwalker
Joined
Dec 10, 2004
Messages
2,579
And I would like to know what percent of PAF's in '57-'60 Standards and Customs, in the bridge position, are BELOW 8k ohms.
Maybe someone has a guesstimate.

Yes information technology would be nice if TW59 would post the resistance of the pickups in his guitars that are in the vintage registry. Most of the others have posted the resistance numbers.
  • #v
burstone
Joined
Apr v, 2002
Messages
6,748
I like 'em around 8K in both positions, peradventure slightly hotter in the bridge.
  • #6
J.D.
Joined
May 24, 2006
Messages
9,816
I agree, typically the stronger pickup is in the bridge position, but I have heard guys talk near a preference for a hotter neck pickup.
  • #7
j45
Joined
Jun 14, 2002
Messages
9,081
I've found the DC resistance is of little use in determining anything most the manner a PAF will sound unless it is to the extremes. I just did a sound prune with half-dozen PAF guitars and you would never be able to match the sound with the readings.
  • #8
lpnv59

lpnv59

All Admission/Backstage Pass
Joined
Jul xv, 2001
Messages
10,725
Resistance is futile. :wah

:rofl


.

A resistance reading does not accurately indicate how PAF's sound in my experience. The warmest, fattest sounding PAF I had was in the bridge position my '59 burst and it read 7.8K. The neck PAF read 8.1K so I swapped them around and gauge what......not as fat and warm. :hmm Its a combination of many things that make em what they are. I've improved the sound of a then so PAF with a magnet swap. They have equally much, if not more than to do with the sound every bit anything else.

  • #9
Tom Wittrock
Joined
Aug 2, 2001
Messages
42,567
Yes it would be overnice if TW59 would post the resistance of the pickups in his guitars that are in the vintage registry. Most of the others accept posted the resistance numbers.

Really we get along just fine....no resistance at all. :spabout

The only method I know is to put a cord in the jack, select the pickup and put the ohm meter tips on the plug. If numbers attained that way are "acceptable" I can become a few of those conveniently. :)

Next thing you know, you guys volition await me to counterbalance them. :rolleyes :jim

  • #10
DANELECTRO
Joined
Feb 24, 2003
Messages
6,222
Adjacent thing y'all know, you guys will wait me to weigh them. :rolleyes :jim

Could you do that for us? It would be near benign if y'all could weigh the plate, bobbins, magnets, shims, windings, record, slugs, and screws separately. Be sure to cull your favorite pair of PAFs.

:burrow

  • #11
Johnny Q
Joined
Mar viii, 2003
Messages
505
I agree with the "resistance is futile" comment. Merely with that said, all the Paf style pickups I have liked best accept been in the 8.v range for the bridge and 7.vii-ish for the neck.
  • #12
J.D.
Joined
May 24, 2006
Messages
9,816
I hold, the magnet type and strength has a huge influence.
  • #13
55Custom
Joined
Sep five, 2003
Messages
half dozen,251
It looks like in that location are about 10 in the Regristry with span pups over 8K. Amongst those it looks like some adopt DW's, which may or may not have been original to the guitars.
But, clearly nigh bridge pups in that group are below 8K in the bridge.
  • #14
Joined
Mar 23, 2007
Messages
68
To be technically acurate....
The DC winding resistance constitutes a signal loss....
The pickup is modeled as a voltage source with a serial Resistance and Series Inductance... Winding Capacitance is in parallel to all this....
So yous have a resonant tank circuit, (LCR) ......
The book pot value affects the peaking of this resonance....
For simplicity we will exit the cable effects out of this......
The larger the value of the pot is, then the more bespeak is adult a cross it, up to a point, since it is assymptotic... The larger the winding Resistance is then the more than the point is attenuated across the pot, (insertion loss)....
Now if you were to wind the pickup with magic wire that had no resistance, Super-Conductor, the pickup would work fine and mensurate ZERO ohms when using a ohm-meter.... At present the pickup would be a bit louder, due to no insertion loss... The dilemma is that well-nigh people apply DC resistance every bit a "mensurate" of the number of turns...which is fairly proportional...
The IMPEDANCE measurement of the pick-upwardly is more critical and a amend indicator of what is going on...
The impedance measurement tin can show dissimilar results depending on how "hard" you bulldoze coil when you lot measure it.... It'southward all-time to mensurate the coil at the same electric current information technology produces in normal playing operation...

Chris

  • #15
Wannatone
Joined
Feb 10, 2003
Messages
ane,461
The but method I know is to put a cord in the jack, select the pickup and put the ohm meter tips on the plug. If numbers attained that way are "acceptable" I tin can become a few of those conveniently. :)

Tom, that's it. But make sure the volume pots are maxed. Then, yous tin add .i kOhms to your readings to compensate for the pots equally you're non gonna unsolder the PUP wires, are you lot? :wah

I've just recently taken a couple of measurements on some very fine vintage Lesters. Only, believe me or not, I tin't recollect the readings, except that zero spectacular was discovered. Nevertheless, I do retrieve very well what came outta the ol' Marshall speakers when I plugged ane of them in :spabout

  • #16
Tom Wittrock
Joined
Aug ii, 2001
Letters
42,567
Nevertheless, I do call up very well what came outta the ol' Marshall speakers when I plugged one of them in :spabout

Were thos speakers powered by i of your Gladius Amps? :ganz
[I hope I spelled that right. :wah]
  • #17
  • #18
Shovel95
Joined
November 1, 2001
Messages
1,006
To be technically acurate....
The DC winding resistance constitutes a signal loss....
The pickup is modeled as a voltage source with a series Resistance and Series Inductance... Winding Capacitance is in parallel to all this....
So you have a resonant tank circuit, (LCR) ......
The book pot value affects the peaking of this resonance....
For simplicity nosotros will leave the cable effects out of this......
The larger the value of the pot is, then the more bespeak is developed a cross it, upwards to a bespeak, since it is assymptotic... The larger the winding Resistance is then the more the betoken is adulterate beyond the pot, (insertion loss)....
Now if you were to current of air the pickup with magic wire that had no resistance, Super-Conductor, the pickup would work fine and measure ZERO ohms when using a ohm-meter.... Now the pickup would exist a scrap louder, due to no insertion loss... The dilemma is that most people employ DC resistance as a "mensurate" of the number of turns...which is adequately proportional...
The IMPEDANCE measurement of the pick-up is more critical and a better indicator of what is going on...
The impedance measurement can show different results depending on how "hard" yous drive coil when you measure it.... It'due south best to measure the whorl at the same current it produces in normal playing operation...

Chris

LIKE TW59SAID.......RESISTANCE IS FUTILE!!! That hurt my brain trying to read & comprehend all that:rofl

  • #xix

Rich R

In the Zone/Backstage Pass
Joined
Jun iv, 2002
Messages
4,998
LIKE TW59SAID.......RESISTANCE IS FUTILE!!! That injure my brain trying to read & embrace all that:rofl

I hear ya, Jim, but I think he's just trying to help...Personally, I merely know it when I hear it (most of us practise...), and it has Nil to do with scientific discipline, physics, etc. Has to do with making MUSIC!

The BEST LP I've ever heard is a refinished '57 GT (not fifty-fifty to gold, LOL), with one unstickered PAF, and one stickered, low 7 resistance, and it just sings! in fact, information technology 's the kind of guitar that just seems to play itself, like a perfectly tuned car that can't make a wrong turn...

How exercise y'all 'splain that?

  • #20
Joined
Mar 23, 2007
Letters
68
LIKE TW59SAID.......RESISTANCE IS FUTILE!!! That hurt my brain trying to read & comprehend all that:rofl

That was my point.....

Chris

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