thesjkexperience
Joined: Jul 02, 2009
Posts: 56
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Posted on Aug 24 2009 10:34 AM
Is there a preference for surf to have higher output pickups (8 ohms and up) or lower output (8 ohms and less)? It can be expensive to try out different types and was wondering if the Seymour Duncan pickups at 8.3 ohms would be preferred over pickups wound in the 7 ohm range?
— Owner of Gunbarrel Custom Guitars!
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Brian
Joined: Feb 25, 2006
Posts: 19354
Des Moines, Iowa, USA
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Posted on Aug 24 2009 10:42 AM
So you are actually worrying about a 1.3 Ohm difference?
Trust me, surf music isn't going to care. 
— Site dude - S3 Agent #202
Need help with the site? SG101 FAQ - Send me a private message - Email me
"It starts... when it begins" -- Ralf Kilauea
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eddiekatcher
Joined: Mar 14, 2006
Posts: 2778
Atlanta, GA
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Posted on Aug 24 2009 11:32 AM
I think you are referring to 8.3 "K" ohms. I think you will find that the lower value (which is a result of the of the size and number of turns of wire on the pickup bobbin), the cleaner the sound.
You can always crank up the amp a bit.
ed
— Traditional........speak softly and play through a big blonde amp. Did I mention that I still like big blonde amps?
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Brian
Joined: Feb 25, 2006
Posts: 19354
Des Moines, Iowa, USA
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Posted on Aug 24 2009 12:07 PM
Ah, 1000 pardons for 1000 Ohms.
I still don't think it's going to matter much.
— Site dude - S3 Agent #202
Need help with the site? SG101 FAQ - Send me a private message - Email me
"It starts... when it begins" -- Ralf Kilauea
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WaveOhhh
Joined: Apr 24, 2006
Posts: 236
Plantation, FL
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Posted on Aug 24 2009 02:19 PM
OK, I hope I have this correct, the more windings, the greater the impedence, the defacto resistance of the AC signal in the coil. With greated impedence, the greater the voltage associated with the coil and thus the "louder" the coil compared to one with less windings, or "resistance".
— What day is Surf Rock's birthday? Looks like Surf Rock and I was born the same year. Maybe we are both Libras?
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eddiekatcher
Joined: Mar 14, 2006
Posts: 2778
Atlanta, GA
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Posted on Aug 24 2009 04:36 PM
Almost!............ In general, the more turns of wire, the greater the output signal. But with more turns, the impedance increases. This increase in impedance is what causes a roll off in the high frequency response of the pickup.
Ya don't get something for nuthin.'
It seems like the 6/7K ohms with 3/16 dia alnico magnets is a good general benchmark for Fender single coil pickups. If you are interested, Forrest White outlines the various pickups construction in his book on his years with Fender. It's a great read.
ed
— Traditional........speak softly and play through a big blonde amp. Did I mention that I still like big blonde amps?
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thesjkexperience
Joined: Jul 02, 2009
Posts: 56
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Posted on Aug 24 2009 04:56 PM
I know with my Strats (which I know a lot about) all have k ohms between 6 and 6.8 tops, but the structure of the pickup is very different from a Jazzmaster that is wide and flat.
What I am trying to find out is if a stronger pickup that would have slightly less top end and more punch would be preferred to one that has more articulation and less punch? From what I have read about Jazzmasters, and there isnt much, my neck pickup is rather underwound and my bridge is in the middle. It is hard to compare my Strats as I run 10.5 stings verses the 12s on my JM.
I ask for two reasons. Most of the other replacement pickups for Jazzmasters are in the 8+ k ohms. Maybe I am just having Ohm envy.
— Owner of Gunbarrel Custom Guitars!
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JakeDobner
Joined: Feb 26, 2006
Posts: 12159
Seattle
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Posted on Aug 24 2009 05:00 PM
All of this is my opinion, not fact. When you have a pickup that is twice as hot then you are probably going to notice something. But, there are too many variables on a guitar for a 1.7k difference to really stick out to the ear.
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Brian
Joined: Feb 25, 2006
Posts: 19354
Des Moines, Iowa, USA
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Posted on Aug 24 2009 05:53 PM
The strings don't vibrate as much near the bridge, over the bridge pickup, compared to the portion of the strings over the neck pickup. So to even out the volume between the two pickups, the bridge pickup is typically wound hotter.
— Site dude - S3 Agent #202
Need help with the site? SG101 FAQ - Send me a private message - Email me
"It starts... when it begins" -- Ralf Kilauea
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kenposurf
Joined: Feb 23, 2007
Posts: 1650
Santa Rosa, CA
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Posted on Aug 24 2009 06:35 PM
Might have a look at Jason Lollars...
I use his P-90's on my JM but I understand his Jazzmaster pups are really good also...underwound/vintage I believe...
http://www.lollarguitars.com/mm5/merchant.mvc
— www.northofmalibu.com
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Thunderhead
Joined: Apr 11, 2009
Posts: 201
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Posted on Aug 24 2009 07:50 PM
Seymour Duncan makes quarter pounder JM Pu's. I also have seen new adds from Rio Grande offering several new JM Pu's.
— www.myspace.com/thethunderheads
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eddiekatcher
Joined: Mar 14, 2006
Posts: 2778
Atlanta, GA
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Posted on Aug 24 2009 08:59 PM
Try the "quick and dirty." First swap out the 1 meg volume pot for a 500k. Then if that doesen't make the guitar mor civil, try going with a 250K. This is an easer and cheaper mod than forking out bucks for pickups.
As you go down in Volume pot value, you will start shunting some of the pickup's output and high end off to ground.
Try it, see what you think. If you find yourself loosing too much high end when you back off the vol pot, try tying a 1000 pico farad cap across the volume pot's hot tab to wiper.
ed
— Traditional........speak softly and play through a big blonde amp. Did I mention that I still like big blonde amps?
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badash
Joined: Aug 18, 2006
Posts: 1732
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Posted on Aug 26 2009 12:01 PM
thesjkexperience
What I am trying to find out is if a stronger pickup that would have slightly less top end and more punch would be preferred to one that has more articulation and less punch?
Get some of your favorite recordings. Decide if you like "punchy" or do you like less "punchy". Pretty simple decision if you do that. Frankly I've never lacked any top end with a reverb tank.
But, if you want to add a little kick in the ass get a treble booster. it's actually a misnomer, as it is an upper mid boost. I found that with my jazzmaster it gave me everything I wanted from a mosrite. It doesn't sound like a mosrite, but it gave me most of what I liked about that live Ventures mosrite sound.
And it makes my ultra-low output lipstick pickup equipped strat shaped object just rude enough to stand out in a crowd in a way all the tube screamer sound alikes never did 
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thesjkexperience
Joined: Jul 02, 2009
Posts: 56
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Posted on Aug 26 2009 03:02 PM
Actually top end is what I am trying to tame a bit. I saw on Lollars site that a 500 k pot will sound similar to having the volume on 8 (on a Jazzmaster) which may be the route I go (like Eddiekatcher mentioned above). I switched strings to Ernie Ball 12 - 54 nickel steel and am getting much more punch than my D'Addarios.
I also love blues/rock and have two great treble boosters and they are my most used pedals for standing out during a solo with my Strats. I have a DAM Red Rooster and a Swart Atomic Boost both of which are the best I have tried, but different enough to have both. I usually just bring one of them as my blues jam pedal. I havent tried one on my Jazzmaster though, so I will try that tonight! The Red Rooster has a sweep able tone knob instead of the typical 3 way switch to best dial in what you need.
— Owner of Gunbarrel Custom Guitars!
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Haole-Jim
Joined: Jul 29, 2009
Posts: 97
central coast USA metro Chicago
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Posted on Dec 03 2009 11:11 PM
'Replaced the stock pups on the '96 MIJ JM with Fender American Vintage Jazzmaster Reissue pickups.
Which made a nice guitar into a freaking great one. 'Ain't nothing like the real thing, Baby.
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