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  #1  
Old 01-22-2011, 11:35 PM
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500K all the way...for my PJ

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rewired the Quarter Pound P/J set with 250K Alpha pots in my SX P/J...

Did'nt like it! Lost alot of my bite and cut in the mix and generally felt weaker.
Switched back to the stock 500K mini pots and now I'm loving it again!


Just goes to show, it's all in what your ears tell you is right. Anyone else have a similar story?
  #2  
Old 01-22-2011, 11:38 PM
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Fender Precision and jazz basses come with 250k ohm pots.

Do SX basses come with 500k ohm pots?
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  #3  
Old 01-22-2011, 11:43 PM
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I prefer 500K pots on everything.
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Old 01-23-2011, 12:07 AM
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I sell 500k and 1meg pots to bassists pretty regularly. They're for cats who want more high end and wish to sit a little taller in the mix.
  #5  
Old 01-23-2011, 12:30 AM
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I like as little treble as possible, so I like 250k pots.
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  #6  
Old 01-23-2011, 12:41 AM
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Someone educate me. When the tone pot is wide open, does the pot value still influence the tone?
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  #7  
Old 01-23-2011, 12:48 AM
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Quote:
Originally Posted by Chrisk-K View Post
Someone educate me. When the tone pot is wide open, does the pot value still influence the tone?
Yes.
The higher the value, the greater the resistance between the signal and cap, and thus, the less high frequency content is grounded through the cap.
  #8  
Old 01-23-2011, 01:10 AM
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Quote:
Originally Posted by Ric5 View Post
Fender Precision and jazz basses come with 250k ohm pots.

Do SX basses come with 500k ohm pots?
Mine did.
  #9  
Old 01-23-2011, 03:29 AM
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Yeah 500K volume pots are my pot of choice.
For tone I will sometimes use a switch, but usually use a 250K.
  #10  
Old 01-23-2011, 03:37 AM
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I always thought it was 500k for P bass and 250k for Jazz?
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  #11  
Old 01-23-2011, 06:44 AM
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Over in guitar land, it's 500K pots for Gibson/humbucker and 250K for Fender/single coil

-STS
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  #12  
Old 01-23-2011, 07:08 AM
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For PJ basses anyway ive found 500k is the common choice. Even on the fender PJ schematic that always arises on google uses a 3way pup selector and 2 500k pots with a .1uf cap.....thats a pretty 'bright' setup as far as bass goes, bearing mind only using 2 500k pots is the same as 1 250k pot (correct me if im wrong, i may be). I think line6man swears by a switch for pickup selecting.

Im ripping the pre from my PLyte, as its, well very bad. Passive seems the way to go, as its reliable and cheap. I wouldnt mind keeping the fender logo pickups, the P seems solid,
the jazz however isnt. So searching about ive found that the most common matches for a PJ setup is a Quarter Pounder P, with a DiMarzio ultra Jazz (wired in Series).

Theres alot to think about when thinking about the electronics. I would consider putting a S1 switch on that quarter pounder P. It seems to be the only P pup worth putting it on. 3way toggle and seperate volumes, each a pushpull/seriesparallel for each pickup and a tone control?
  #13  
Old 01-23-2011, 07:21 AM
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Quote:
Originally Posted by pandathe3 View Post
For PJ basses anyway ive found 500k is the common choice. Even on the fender PJ schematic that always arises on google uses a 3way pup selector and 2 500k pots with a .1uf cap.....thats a pretty 'bright' setup as far as bass goes, bearing mind only using 2 500k pots is the same as 1 250k pot (correct me if im wrong, i may be). I think line6man swears by a switch for pickup selecting.

Im ripping the pre from my PLyte, as its, well very bad. Passive seems the way to go, as its reliable and cheap. I wouldnt mind keeping the fender logo pickups, the P seems solid,
the jazz however isnt. So searching about ive found that the most common matches for a PJ setup is a Quarter Pounder P, with a DiMarzio ultra Jazz (wired in Series).

Theres alot to think about when thinking about the electronics. I would consider putting a S1 switch on that quarter pounder P. It seems to be the only P pup worth putting it on. 3way toggle and seperate volumes, each a pushpull/seriesparallel for each pickup and a tone control?
The Ultra Jazz bridge pickup is a good choice. You could probably get by with the stock P pickup. If you want to save money try the Ultra with the stock P to see if you like it.
As far as volume controls go, if you are use a three-way selector then you will only need one volume control, unless you really want more control over the blend. Those push pull volumes on each pickup would give you every available option though. I do know that having both pickups in the same circuit will load each other down. For the best P signal the J signal circuitry needs to be removed from the picture, hence the three-way switch.

Last edited by madmatt : 01-23-2011 at 07:24 AM.
  #14  
Old 01-24-2011, 06:18 PM
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500k volume pots in my Warmoth JJ and PJ basses (along with Fender TBX tone controls in both).

Currently using Seymour Duncan STK-J2 and SPB-1 pickups.
  #15  
Old 01-24-2011, 07:05 PM
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I'm a convert to 500K pots in almost all of my basses. Yes, I could definitely hear a difference in the high end.

If I want a little less high-end... with 500K pots, I can simply dial it back a notch.
  #16  
Old 01-24-2011, 07:12 PM
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Does anyone happen to know of any before and after clips of the difference between 250K and 500K pots? I'm very curious about the difference!

If not, that's ok, I plan on doing a comparison myself very soon. But if someone has done it already and recorded it that'd save me some money.

Thanks!
  #17  
Old 01-24-2011, 07:14 PM
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Quote:
Originally Posted by LowBC View Post
I sell 500k and 1meg pots to bassists pretty regularly. They're for cats who want more high end and wish to sit a little taller in the mix.
Unfortunately the bass volume and presence in a mix will depend not only on the bassist, also the producer, soundman, and the other band members. If any guy think a potentiometer will make his bass more present in a mix is completely fool...
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  #18  
Old 01-24-2011, 08:01 PM
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Quote:
Originally Posted by rodgersk24 View Post
Does anyone happen to know of any before and after clips of the difference between 250K and 500K pots? I'm very curious about the difference!

If not, that's ok, I plan on doing a comparison myself very soon. But if someone has done it already and recorded it that'd save me some money.

Thanks!
Pot Shootout: 250KΩ vs. 500kΩ, audio vs. linear
  #19  
Old 01-24-2011, 08:07 PM
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Originally Posted by line6man View Post
Perfect, thank you very much!
  #20  
Old 01-24-2011, 08:07 PM
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Quote:
Originally Posted by line6man View Post
the sound clips don't appear to work anymore, all I hear is a ringing sound, no bass.
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