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Awesome question

Discussion in 'Pickups & Electronics [BG]' started by Pappasgrind, Mar 21, 2014.


  1. Pappasgrind

    Pappasgrind Supporting Member

    Joined:
    Aug 13, 2009
    Both my pickups are the same size so ordering say 2 bridge pickups isn't going to affect the tone in anyway right?or does it.......
     
  2. Hopkins

    Hopkins Supporting Member

    Joined:
    Nov 17, 2010
    Location:
    Houston Tx
    What kind of pickups are they?
     
  3. i_got_a_mohawk

    i_got_a_mohawk

    Joined:
    Feb 9, 2005
    Location:
    Edinburgh & Dundee, Scotland
    Even if the pickup casing is the same size, bridge and neck pickups are often wound to different specifications.

    Though there's certainly nothing stopping you putting two bridge pickups in there, you'll still obviously get a difference in tone due to the difference in location.
     
  4. wild4oldcars

    wild4oldcars

    Joined:
    Jan 22, 2012
    Location:
    Garner, NC
    Well, if you're talking about single coils, they will be out of phase, which makes for a thin, wimpy tone (imo), as well as single coil hum. Im not sure if hum-canceling pups would work, because I *think* the phasing would still be an issue.
     
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  6. Pappasgrind

    Pappasgrind Supporting Member

    Joined:
    Aug 13, 2009
    It's my bacchus 5 I'm contemplating putting an emg jax set. The difference in size is literally .xx mm so it's almost nothing but I'd hate to be wrong. Wish there was somewhere I could take it to compare pups that would be rad
     
  7. Arvin

    Arvin Underwound Supporting Member

    Joined:
    Sep 26, 2008
    Location:
    On the bench
    They will only be out of phase if you wire them out of phase. They will most likely not be a reverse wind/reverse polarity pair, though, which means no hum cancelling. Someone here on TB (Hopkins, maybe?) posted a way to make a device that reverses the magnetic polarity of pickup poles. I've never done that, but it should be helpful for reducing hum.

    Another option is to purchase two bridge-sized humbuckers (like Dimarzio Area J's or Model J's) and install them. That works fine, but only if you want humbuckers.
     
  8. mmbongo

    mmbongo Chicken Pot Pie. My three favorite things!! Supporting Member

    Joined:
    Aug 5, 2009
    Location:
    Upstate, South Carolina
    My Spector uses two neck sized pickups. It came with EMGs which I replaced with DiMarzio Area J's. Both work fine with no phasing issues.
     
  9. i_got_a_mohawk

    i_got_a_mohawk

    Joined:
    Feb 9, 2005
    Location:
    Edinburgh & Dundee, Scotland
    If phase is an issue, just swap the + and - of one of the pickups around.


    (on my somewhat experimental bass I added a switch to do just that, so I could switch between in and out of phase, granted, a waste of a switch :p )
     
  10. Pappasgrind

    Pappasgrind Supporting Member

    Joined:
    Aug 13, 2009
    Ok so as long as it's not that big of an issue now my beef is making sure it actually fits here's what I'm working with:
    3 11/16 long
    3/4 wide
    Screw length 1 5/8
    Screw width 7/8

    The specs emg sent me are:
    ImageUploadedByTalkBass1395433622.495543.jpg
     
  11. Hopkins

    Hopkins Supporting Member

    Joined:
    Nov 17, 2010
    Location:
    Houston Tx
    Wait, you have a regular set of Long/short Jazz pickups already? Or the two pickups in your bass are both bridge pickups?
     
  12. Pappasgrind

    Pappasgrind Supporting Member

    Joined:
    Aug 13, 2009
    The pups that it came with are the same size
     
  13. Rob22315

    Rob22315

    Joined:
    Oct 23, 2010
    Location:
    Alexandria Virginia
    There's nothing wrong with swapping pickups around locations so you should feel free to experiment if your cavities will allow you to do this. Reshaping pickup cavities is a permanent decision so choose wisely if you go this route. (pun intended)

    Pickups are voiced to match the location in which they're installed so two bridge pickups will sound different than a neck and a bridge pickup.

    That said, voicing is done to get the maximum 'benefit' from the tonal opportunities available in each location so you're losing some flexibility by mismatching. More specifically - bridge pickups voiced to emphasize the fundamental and neck pickups designed to emphasize mids. By swapping the installation, you'll voice the bridge location to emphasize mids and the neck location to emphasize the fundamental making the two locations sound more alike.

    The SGD guy claims that Ibanez does this position swap sometimes to provide a more even sound between the two pickups (I have no hands-on experience with this). I'd prefer to have the two pickups positioned to provide the broadest set of tone options then use the blend knob or tone switches to get something in-between when I want it.
     
  14. Pappasgrind

    Pappasgrind Supporting Member

    Joined:
    Aug 13, 2009
    I play with the bride solo'd so maybe 2 would add more oomph? Someone let me borrow a set of emg jax pups please make this easier on my stunted mind
     
  15. Hopkins

    Hopkins Supporting Member

    Joined:
    Nov 17, 2010
    Location:
    Houston Tx
    This is bad information. Usually the bridge pickup is wound SLIGHTLY hotter than the neck pickup because the string movement lessens the closer you get to its anchor points. The magnet material and wire type and gauge will always be the same. The tonal difference in a matched set is 99 percent determined by the pickup position.
     
  16. Rob22315

    Rob22315

    Joined:
    Oct 23, 2010
    Location:
    Alexandria Virginia
    You'll have to split the difference with me on this one. Some manufacturers (SGD and Bartolini to name two) voice the pickups differently. It's not just how hot they are.

    http://www.talkbass.com/forum/f38/neck-vs-bridge-pickup-voicing-777930/
     
  17. Hopkins

    Hopkins Supporting Member

    Joined:
    Nov 17, 2010
    Location:
    Houston Tx
    David is not 1% of the overall pickup market. Barts are just overwound at the bridge position, they are built with the same materials. There are exceptions, but the vast majority of pickup makers do it like I described.
     
  18. Pappasgrind

    Pappasgrind Supporting Member

    Joined:
    Aug 13, 2009
    Well I'm not interested in David or Bart so any advice towards my emg jax size dilemma would be appreciated
     
  19. Hopkins

    Hopkins Supporting Member

    Joined:
    Nov 17, 2010
    Location:
    Houston Tx
    The JAX is an active hum canceling pickup, so if you get two JAX bridge pickups you should have no problems. From the EMG specs they seem to both be the same pickup just in different covers.
     
  20. Pappasgrind

    Pappasgrind Supporting Member

    Joined:
    Aug 13, 2009
  21. Hopkins

    Hopkins Supporting Member

    Joined:
    Nov 17, 2010
    Location:
    Houston Tx
    No problem, let us know how everything works out, and how you like the pickups when you get them installed
     

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