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MM+J configuration. Help Please!

sdb9053

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Hi,

Im new to the whole Warmoth thing and as a result am fairly clueless, so any help (with as much detail as possible) would be greatly appreciated. Im looking at purchasing a Jazz bass to build from scratch (Walnut body, maple neck; both from Warmoth). My first question is which would give the most versatile sound options MM+P or MM+J pickup configuration?
Im leaning towards the J as i already have two basses with a P in the neck position but i wanted some outside opinions. (I mainly play Hard Rock/Grunge, but i also dabble in most other genres so i want the most versatile bass possible with one of these configurations - a high priority is a good midrange response.)

The pickups im looking at using are:
Seymour Duncan SMB-4a (MM)
Seymour Duncan Hot for J SJB-2 or Hot for P SPB-2
In conjunction with a Seymour Duncan Active 2/3-Band Tone Circuits™ STC-2 & STC-3.

My second question is: Will it make a considerable worthwhile difference using the Tone Circuit? (I am used to dealing with Passive basses)
Is it possible to wire the pickups Passive/Active interchangeable?
If so then would someone be able to point me in the right direction of or give me the schematics for this setup (with the most tone options available eg. i dont want to be stuck with both pickups on at all times etc. But im not familiar with different wiring patterns equating to different tonal outcomes. I dont mind if this involves using a switch or extra push/pull pots) as ive seen photos of several people with basses with a similar setup on here. There is no schematic on the Seymour Duncan website for what ive just described as far as i can see.
Im a real novice at this as my only previous experience with electronics was re-wiring a strat for my guitarist but that was much more straight-forward, so the more detailed the explanation the better.
I hope i have provided a detailed enough explanation,
I hope someone can help,

Thanks.
 
I would recommend the MM/J combination so you don't have placement/spacing issues (the treble coil of the P is awfully close to the MM if you place them in standard locations)

Your pickups will be passive, and they may run thru an active pre-amp if you choose to install one. Since you're looking at a 2-band pre-amp, I can't recommend highly enough you consider an Aguilar OBP-1 instead of the SD.

An active tone control will make a huge difference when you cut/boost at the extreme ends of its capability. A good pre-amp should not color the sound when everything is set flat (no cut/boost) - this is something very few pre-amps can actually do (Bartolini pre-amps are amongst the worst coloring offenders) I would aslo recommend an on/off switch to bypass your pre-amp so you can utilize a full passive mode for times when you want a more vintage sound control (rule of thumb: passive control for studio work, active and/or passive control for live playing)

There is a great set of schematics for wiring up you pre-amp at BestBassGear.com down in the luthier/tech section

all the best,

R
 
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