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Dr. DIMENTO'S ONGOING "PJ" PUP EXPERIMENT

DIMARZIO WILLPOWER P W/ DIMARZIO MODEL J

Both 4 lead humbucking ceramic magnet pickups
Both wired in series

Loaded into an acoustically midrange bass. Output better than average. Little hum killed by touching strings. No finger/flatpick transfer of consequence. Worked well to finger and flatpick. Sensitivity to attack, technique, hand position average to low average. Sustain on the upper side of average.

Primarily P/EBO oriented tones. Ample bass, mids, and enough treble but getting the mix right for anything beyond an P/EBO like tone took work - mostly getting clarity. Even getting close to a vintage Fender P took some tweaking. Tones usually had a good solid bass but getting some focused midrange tone to compliment it was tough. Treble had a wide range of application and was useful from nearly full cut to boosted a couple steps - where it would become boxie.

Pups tended to be on the warm, soft side (even the edge exhibited by the pair was noticeably rounded without a crispness), and lacking clarity. Little bit of rawness to tones at times but mostly on the mild side. Occassionaly there'd be a nice buzz, fuzz, biting edge, and complimentary finger transfer but that was the exception. Some punch on some settings but pretty punchless in general. Negligible growl.

Fairly easy to get a useable tone but hard to get beyond that. The lack of clarity was somewhat appealing and definetly just what i wanted for some tunes but it got on my nerves when I wanted to get some focus and bite to a tone and could seldom accommodate. Didn't require much adjustment to actually play to tunes. Majority of adjustment was just to see what the pups would do. Variations in tone adjustment produced noticeable variations to tunes but it basically amounted to a darker or brighter version of the same tone but about half the time they all worked so there was quite a bit of flexibility in that sense. Tones sounded much clearer more appealing solo than to music and probably some decent solo tones in the mix.

Using the treble boost/cut bass setting that got the J-like tone with the Willpower alone, when combined with the model J sounded pretty much the same. So combining them basically took the edge off of the J from when the J was used alone.

Played passably to roughly 65% of the tunes which could probably be extended to 90% if marginal tunes were thrown in. I pulled a tone at the end of the session that may expand those estimates so I'll make note, give it a try, and update at a later date. Better than average to about 25% - Reggae, Blues, R&B. Volume, tone, sensitivity, clarity, and cut fairly balanced across the board for tones played to tunes. Relative to other pups cut and clarity were low average.

FLUFF:

May not sound like a stellar impression but the pups have very appealing vintage P/EBO vibe that I like and could easily see as being a set of choice for someones main bass depending on personal preference and what music they play.
 
DIMARZIO WILLPOWER MIDDLE P/DIMARZIO ULTRA JAZZ

Both 4 lead ceramic mag P alnico/ceramic J pups wired in series

Loaded into an acoustically midrange bass. Output better than average. Little hum killed by touching strings. Noticeble finger/flatpick transfer at times depending on setting but nothing of consequence. Worked well to finger and flatpick. Sensitivity to attack, hand position, and technique varied considerably depending on settings and could be average, less than or better than average. Sustain on low average side.

I was constantly comparing the Willpower/Ulra (WP/U) combo to the Willpower/Model J (WP/MJ) pair so that's how I wrote this up. I'm guessing most players interested in a Dimarzio PJ combo would read them both but if not, this review may be more meaningful if the the WP/MJ review were read first.

The WP/U struck me as a much more compatible pair of pups than the WP/MJ. Going real heavy on the P tended to get boxie and I mostly went heavy on the J much of the time but also used an even mix and more P than J at times. The WP/MJ was mostly just heavy on the J cause that's all that really seemed to work most of the time. The WP/U had more rawness, more definiton of tone, better frequency spread, much more flexibility, and better cut than the WP/MJ. They pretty much worked passably no matter where tone was set (with mids full cut, since the Poly is mid strong). A myriad of subtle and not so subtle variation in tones. Individual strings could be more or less faded in or out to suit taste for many tones to tunes. In their own way, the WP/U are as compatible a match as the Model P/Model J (MP/MJ) pairing. The WP/MJ were more antagonistic while the WP/U more complimentary. Definetly different but on a parallel plain. For those who find the brute rawness of the MP/MJ combo too in your face, the WP/U may be the ticket - a distinctly softer, less aggressive pair. Some fairly interesting and unique tones in the mix.

Ample bass, little more flexible mid than with the WP/MJ pair, and much more useful/controllable top end. Got PJ tone, P, J and EBO. I could dial out that airy/boxie treble that I couldn't with the WP/MJ pair. The WP/U can be dirtied up plenty or cleared up considerably but are still more inclined toward dirty than clean, just not as much as the WP/MJ. Some punch and bulge depending on setting and some growl. On some setting's there was almost nothing to tone but mild to moderate punch. Some buzz, fuzz, a little crispness and appealing finger transfer and some settings to tunes. Some woodiness and percussiveness. The J-like tone I obtained with the Willpower alone with a severe cut of bass and boost of treble, unlike with the model J bridge, worked quite well with the ultra bridge. A vintage Fender-like J tone could be obtained but it was a soft distinctly less clear version of the Fender tone. Close enough to work passably as such for a short set but not a steady diet or for a real quality vintage Fender tone. More tweaking required to get it than other tones but not excessive. Overall not nearly as much tweaking with this pair to get tone as the WP/MJ. Also some slap tones mixed in.

Pups worked passably to all tunes and better than average to probably 35%. Given I'm more inclined to like a brighter/clearer tone, many players may well boost the better than average figure considerably - and it would depend a lot on what you play. Volume, tone, sensitivity, clarity, and cut balanced across the board for tones to tunes. Sensitivity and clarity related to other pups would be more middle average and below with cut pretty much average overall.

Been forgetting the frequency spreads lately and I'm not sure how valuable there are, but like all the rest, it's an experiment in progress. They're not reflecting the individuality of the pups as intended so I may change the process up some to see if I can bring that about.

Frequency Spread (10 is max. The TB format won't keep the values in column but they're in sequence so you just have to shift them over to line them up with the frequencies):

Hertz 50 1.2C 4C 5C 8C 4.5K 10K

3.5 7.5 3 1.5 1.5 .5 0
 
Thanks so much for all your work in this area. I've spent countless hours reading your single P and J reviews, as well as this thread. I can't imagine the time you have into this experiment (it's a shame that there aren't recordings, but we can't have it all, right?). You da man!

After reading your singles review (and if you are taking requests), I would be *extremely* interested in hearing your review of a DiMarzio Model J (dp123? I think you used the neck pup in the bridge position) paired with a SD Quarter Pounder (I'm not sure if you used the SCPB-3 or SPB-3).

FWIW: I am playing through a 2003/2004 MIM Fender Deluxe Series Precision Bass Special (if that helps for bass choice for the installation).

Thanks again!
 
Yep, that was a ways back. I was going to do it for myself so I figured I'd post what my experience was and maybe someone else would get some use from them. I know reviews helped me pick pups. Plus I thought it would provide a record of what I did for future reference. Never expected it to evolve as it did. Just started and kept going till I learned what I wanted to know. Yeh, wish I had recordings of them too - even though they're about as misleading as not, another piece of the puzzle regardless.
The model J's a good solid pup. Like any pup, you just can't know till you try when it comes to suiting your needs at the time.

From the Florida Keys - Happy and Safe New Years to all!
 
EMG ACTIVE PJ SET
To me the pups had, of all things, a pronounced vintage flavor. Aside from being quiet and clear, the Hi-fi image of EMG pups was not apparent.
Out of interest, do you think this is because of the age of the pickups? Or just a prevalent tone on all EMG PJ's? I've been looking for pickups for a while and I'm about to run out and get some of these for my Schecter :)
Its just difficult because, living in New Zealand, selection to try is limited.
Cheers.
 
Out of interest, do you think this is because of the age of the pickups? Or just a prevalent tone on all EMG PJ's? I've been looking for pickups for a while and I'm about to run out and get some of these for my Schecter :)
Its just difficult because, living in New Zealand, selection to try is limited.
Cheers.

Been too long ago can't say. I posted the stuff up in part so I'd have a record.

In recall seems EMG also has an actual vintage option (or did), VJ I think. Those I didn't think much of in recall.

The standard active EMG are just good all around pups - solid - and they're dead quiet. Also, they're quite popular so if you don't like them for whatever reason, they're aren't hard to resell. If you can get them used off ebay then you really don't have much to lose except shipping.

Best of luck
 
I'm using stacked knobs with my p/j barts, but for some reason when turning up the bridge volume, the p pickup drops considerably . tried to get a wiring dia. from bartolini and fender but no help. Right now its a pain , and trying to adjust my sound isn't easy Or consistent ! Any ideas please
 
Thanks for the P-J reviews, it is good info to reference.

FWIW, I used to use the Seymour Duncan SPB-2/STK-J2 combination, but I switched to SPB-1/STK-J2. I find this to be a more versatile set-up.

I also use 500k volume pots and a Fender TBX tone control.