Dimarzio equivalent to JB jr - comparing output mV vs DC khz? - Jemsite
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post #1 of 11 (permalink) Old 01-03-2012, 03:32 PM Thread Starter
 
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Dimarzio equivalent to JB jr - comparing output mV vs DC khz?

Just wondering if there is some sort of conversion or comparison that can be done to compare output mV vs DC KHz...

Dimarzio seems to like to use output (e.g. Breed is 356 output) vs Duncan which lists their pups in KHz (e.g. JB jr is 16.09 KHz).

My fave bridge pup has been the Duncan JB jr (I've used this pup for a long time in the bridge in my strats) so my rig is set up for that. When I play my Jem with an EVO in the bridge then my rig doesn't react so well cuz the Evo has such higher output - so I'm trying to figure out which full sized Dimarzio HB would be closest to the JB jr. A full sized JB is hotter than the JB jr so I'm looking for a Dimarzio that's closer to the JB jr than the full sized JB.

Any input/advice is appreciated,
Cheers!
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post #2 of 11 (permalink) Old 01-03-2012, 03:45 PM
 
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Re: Dimarzio equivalent to JB jr - comparing output mV vs DC khz?

there's no comparison between mV and DC resistance, it's like height and width of a person.
There would be if you had two exactly the same pickups, but one has more or less winds than the other, but in general case DC resistance is just one of many factors that contribute to the output. Resistance may be an indicator of a hot pickup but doesn't have to be (for instance Steve Morse neck is a whopping 21K but only 250mV and Crunch Lab is "only" 11K but outputs 410mV)
Btw, it's not in KHz, it's in KOhms, KHz is a measure of frequency at which the DC resistance is measured. So it's more like 16Kohm @ X KHz
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post #3 of 11 (permalink) Old 01-03-2012, 03:55 PM Thread Starter
 
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Re: Dimarzio equivalent to JB jr - comparing output mV vs DC khz?

that's interesting and good information - thanks bancika! That's an interesting comparison you've pointed out b/w the Morse and the CL...I don't really understand how that happens when it seems like most hot pickups have higher KHz...but it is good info...

I wonder what the output would be on a JB jr that is listed as 16.09 KHz? (Duncan doesn't list the mV output)
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post #4 of 11 (permalink) Old 01-03-2012, 04:04 PM
 
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Re: Dimarzio equivalent to JB jr - comparing output mV vs DC khz?

to go back to height vs weight. It would make sense if all the people have the same proportions. But in real life, a fat 6' tall man will weigh more than a skinny 6' tall lady
The same is with pickups. Resistance goes up with more winds and with thinner wire, but thinner wire means less output. Also, magnet strength and many other factors influence output.

I'd try Norton or something like that...maybe Breed
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post #5 of 11 (permalink) Old 01-03-2012, 05:32 PM
 
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Re: Dimarzio equivalent to JB jr - comparing output mV vs DC khz?

I think, if the sound you go for is a JB junior, then the pickup you need IS a JB Junior. I would just get a Humbucker to Single cover and install a JBJr inside it.

Alternatively, just get yourself a JB and lower it till you hit the sweet spot.
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post #6 of 11 (permalink) Old 01-04-2012, 12:08 AM Thread Starter
 
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Re: Dimarzio equivalent to JB jr - comparing output mV vs DC khz?

Quote:
Originally Posted by SpikeSocietySucks View Post
I think, if the sound you go for is a JB junior, then the pickup you need IS a JB Junior. I would just get a Humbucker to Single cover and install a JBJr inside it.

Alternatively, just get yourself a JB and lower it till you hit the sweet spot.
I didn't know you could put a full sized HB cover on a single coil sized pup...how would that work? I thought about getting a JB - and I still might do that - but Dimarzios seem to rule this site so I'm starting to think that they might have something I'll like just as much if not better than the JB jr but I want to make sure that I'm staying fairly close to the voicing that I have my rig set up for...I'm thinking that maybe a AT-1 or Air Zone might be close for the bridge and then maybe match that with a Air Classic neck or Air Norton....finding the right pup can be costly so I'm trying to be careful and research as much as I can before I buy...
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post #7 of 11 (permalink) Old 01-04-2012, 04:06 AM
 
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Re: Dimarzio equivalent to JB jr - comparing output mV vs DC khz?

Try the AT-1, apparently Andy used a JB prior, and the AT-1 is somewhat his perfect version of the JB.
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post #8 of 11 (permalink) Old 01-04-2012, 04:34 AM
 
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Re: Dimarzio equivalent to JB jr - comparing output mV vs DC khz?

Quote:
Originally Posted by LonePhantom View Post
Try the AT-1, apparently Andy used a JB prior, and the AT-1 is somewhat his perfect version of the JB.
Forum Search AT-1 / JB Comparisons for more information on this.

One story I read was that Andy used a customised JB, and that the AT-1 is designed to be similar to this, but work better with Andy's Pot value preferences. It's certainly not a like-for-like with a JB. There are EQ differences and mismatched coil things doing on there.

IMO Dimarzios and Duncans are equally good pickups. Dimarzio excel at modern voicing with the specialist "patented" mismatched coils, (think Fred, etc) and "Air" Technologies (think Air Norton). As such they have more pickups with extended / exaggerated EQ responses.

Duncan on the other hand excel at vintage voiced pickups. They use original Gibson, winding equipment with modern consistency and try to nail authenticity with their components. With the exception of the Dimarzio Area pickups, Seymour Duncan is my go to for vintage tone.

Generally Seymour Duncan base their designs on a 50's / 60's PAF tone, and tweak things such as wire gauge, number of turns, magnets, and other construction materials. I really like the JB, Alternative 8, Jazz, 59 and Pearly Gates for this reason.
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post #9 of 11 (permalink) Old 01-04-2012, 05:05 AM
 
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Re: Dimarzio equivalent to JB jr - comparing output mV vs DC khz?

Forgot to mention, the pickup spacer I was talking about is a ring, not a humbucker cover. Easiest option would be to go with a JB, or order a custom pickguard that is setup S/S/H for a JBjr

The JB is an Alnico 5 pickup, so I would try and match based on that, the PAF Pro and the PAF joe both having very similar EQ to the JB. I use the Joe in my Strat bridge as I wanted something combining modern and vintage tone with lower output to balance with the singles and maintain quack. I find it very similar to the JB.

Other Alnico 5 pickups that may get you in the same ball park include the Norton, and the Breed, but these have a flatter eq.

Alternatively you might consider other Ceramic models with similar EQ curvature.

Evo 2 is similar to your EVO, but a little quieter - less of a screamer
Super 2 has very similar EQ curve to JB, but has same output as EVO.
Deactivator Neck has similar EQ with less Mid/bass. Could sound good there, but might blow your head off in Alder
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post #10 of 11 (permalink) Old 01-04-2012, 01:48 PM Thread Starter
 
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Re: Dimarzio equivalent to JB jr - comparing output mV vs DC khz?

LonePhantom - I'm intrigued by the AT-1 and it's definitely one of the top contenders for the bridge position...

Spike - lots of great info there - thank you!!! I also like your overall assessment of Duncans vs Dimarzios...Norton and PAF PRo are intriguing to me as well...

I e-mailed Dimarzio to see what they say and here is the response I received:

We do not make a full-size humbucker that is very similar to a JB Jr in terms of both output and tone, but you might get good results with an F-spaced AT-1 (DP224F) or Air Zone (DP192F). Both models are much warmer than the Evo and have less output.
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post #11 of 11 (permalink) Old 01-11-2012, 06:55 PM
 
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Re: Dimarzio equivalent to JB jr - comparing output mV vs DC khz?

You'll get pretty close if you try a Breed neck DP165 in the bridge.
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