DiMarzio SD (70s) vs. Duncan JB (80s)

[nsatke]

Re: DiMarzio SD (70s) vs. Duncan JB (80s)

And his signature Jackson King V's featured a TB5 Custom in the bridge and a JB in the neck. At least that's what the Jackson catalogs from that era say.

I own one..they were both jbs


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[El Supremo]

Re: DiMarzio SD (70s) vs. Duncan JB (80s)

I own one..they were both jbs


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Hmm, weird. The 1997 and 1998 catalogs that I have state it's a TB5 in the bridge. I assume you didn't buy it used?

 

[nsatke]

DiMarzio SD (70s) vs. Duncan JB (80s)

Hmm, weird. The 1997 and 1998 catalogs that I have state it's a TB5 in the bridge. I assume you didn't buy it used?

I bought it new. Put all my hard earned pennies to it in 1998. Sometimes manufacturers just goof on specs because the person typing the catalog isn't a musician. Also is it wierd that they would use a jb for the neck? True though .


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[Top-L]

Re: DiMarzio SD (70s) vs. Duncan JB (80s)

While I agree that the JB has not changed ( to my ears) over the years, I think that there hve been differences in Super D's as time has passed. My all time, never-ever-get-rid-of-it- Super D is the one that came at the bridge of my '81 Hamer. It is most likely a replacement pickup, but it has some interesting features. It is a 2 conductor pickup with a braided shield going over the two conductors (plastic insulated), measures in right at 13K, and, what I think makes it sound different than the new ones, it's UNPOTTED. It has about as much physical noise and feed back potential as the Seths or antiquities I've tried in that same guitar.

The sound: very much like you'd expect from a Super D. When played back to back with a new one though, the old one is a bit looser in the lows, sweeter and more open in the highs, and just sounds "wider" overall, if you catch my meaning. It's not necessarily fatter, it just seems to take up more sonic space. kind of like the difference between a 335 and a LP.

Magnets can change over 40 years. Probably less output now.

 

[orpheo]

Re: DiMarzio SD (70s) vs. Duncan JB (80s)

I swear to god, where did the idea come from that magnets can degausse to such an extent that it's audible. especially the ceramics: those puppies really don't degausse that easily. Just check the curie temperatures for alnico's and ceramics etc etc.

 

[eaeolian]

Re: DiMarzio SD (70s) vs. Duncan JB (80s)

And his signature Jackson King V's featured a TB5 Custom in the bridge and a JB in the neck. At least that's what the Jackson catalogs from that era say.

Having removed the pickups from one, I can tell you this is indeed the case. Weird choice.

 

[eaeolian]

Re: DiMarzio SD (70s) vs. Duncan JB (80s)

Magnets can change over 40 years. Probably less output now.

When Frank Falbo was at Duncan, he did an interesting analysis of an '80s JB vs a new one, and the sonic changes all seemed to be based on the magnet aging. I'm pretty sure the Antiquity JB came about from this work. Unfortunately, Frank's posts on the subject were in a non-public forum, so I can't link them.

 

[frankfalbo]

Re: DiMarzio SD (70s) vs. Duncan JB (80s)

Its funny you bring this up because we talked about this exact subject on "Lunch with Dan Boul" on Wednesday (2/12/14) In the late 70's he started out by chiseling his vintage Les Paul (yes you read correctly) for a Dimarzio Super D, and didn't like it so much and shortly thereafter tried the JB and stuck with that. Fast forward to about 1hr, 10 mins into it. http://www.ustream.tv/recorded/43729759 Dan tells his story about the first SD and JB, could be something of value there.

When Frank Falbo was at Duncan, he did an interesting analysis of an '80s JB vs a new one, and the sonic changes all seemed to be based on the magnet aging. I'm pretty sure the Antiquity JB came about from this work. Unfortunately, Frank's posts on the subject were in a non-public forum, so I can't link them.

I don't recall being on any non-public forums, but if so, I'm sure it's the same stuff I said here. If you have the link or remember which forum it was, you can email that to me, then maybe I can shed some light on it. Here's the story I think you're referring to: https://forum.seymourduncan.com/sho...-JB-s-use-a-polished-5-vs-the-originals-RC-A5

Short version-took an old JB, regaussed it, and it sounded pretty close to the new one, reinforcing the notion that the primary affection toward an older JB is if it had the rough-cast magnet which has degaussed over 20-30 years.