The basic flaw in the p-bass

[isher1992]

That's pretty much where I'm at too lol.

I won't deny it at this point, but I haven't heard anything that I'd consider useable. But I'm open to the idea that there's something going on.

It's probably also dependent on manufacturing process of pickups. I mean, not all pickups are the same, even amongst the same model.

 

[Hopkins]

Go look at John K's graph (I've said this a few times now and he posted it pages ago).

EDIT: Here, since you apparently missed it. (See those lines that are above the green line and list a cap value, with lower peak frequency than the green line?)

I saw that graph, I want to see it compared to another graph showing the frequency responce of the same pickup with no tone control in the circuit. If there is a frequency that is higher with the tone circuit than without then I will believe there is an actual boost.

 

[miles'tone]

IMO the only flaw in the P-bass is that it's too simple for many to appreciate. Instead of adding switches, changing pickups etc etc etc....just play the darn thing.

Wise words my friend.

 

[isher1992]

I saw that graph, I want to see it compared to another graph showing the frequency responce of the same pickup with no tone control in the circuit. If there is a frequency that is higher with the tone circuit than without then I will believe there is an actual boost.

I believe that's what the 0 nF in that graph is supposed to represent.

 

[dkelley]

I saw that graph, I want to see it compared to another graph showing the frequency responce of the same pickup with no tone control in the circuit. If there is a frequency that is higher with the tone circuit than without then I will believe there is an actual boost.

there is no such thing as a 0nf capacitor. that point in the graph is supposed to illustrate having no tone control in the circuit I believe.

I'm assuming here though... I didn't make the graph

edit: LoL damnit isher! you're fast

 

[isher1992]

edit: LoL damnit isher! you're fast

 

[JimmyM]

Wise words my friend.

Unless you get a P with a crap pickup. I totally bagged the pickup and tone knob on my 09 AmStd in favor of a 62 Original and Tonestyler. Glad I did, too. If I wanted the midscoop the original pickup had, I wouldn't have bought a Precision.

 

[Hopkins]

What Im asking is, would any frequency output with a tone control in the circuit be greater than it would be without the tone control? I have a feeling the frequency peak will be higher across the board vs with the tone in the circuit. If this holds to be true then there is no boost, but instead that frequency bumb would be that frequency being unchoaked at that setting instead of boosted.

Again, I am not saying that the bump isnt there. I heard it in the recording. I am just trying to understand this better.

 

[FunkRenegade]

The blue line represents no pot in the circuit. It lies flat at 0 thtough mid to low frequency.

Green line is the tone pot closed all the way. There is a boost in low mids.

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[David Jayne]

Have a look at Mesa Boogie's mid control on the M6/M9 amps. It's passive, but it's BOOST only. Weird right? Another example of an RLC circuit at work.

 

[Hopkins]

The blue line represents no pot in the circuit. It lies flat at 0 thtough mid to low frequency.

Green line is the tone pot closed all the way. There is a boost in low mids.

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So it moves the frequency range of the highest output of the pickup is what I am getting out of that.

 

[ggvicviper]

Unless you get a P with a crap pickup. I totally bagged the pickup and tone knob on my 09 AmStd in favor of a 62 Original and Tonestyler. Glad I did, too. If I wanted the midscoop the original pickup had, I wouldn't have bought a Precision.

Interesting you saw the AmStd '09 pickup as mid-scooped. When I heard my '11 AmStd V, I felt it had quite a bit of mids, especially when compared to my MIM Standard - that pickup is a bit more transparent (and louder).

 

[FunkRenegade]

I drew the line there to illustrate the difference in output between the blue and green lines. Y axis is output and X axis is the frequency. I'm not going to teach you how to read graphs.

So it moves the frequency range of the highest output of the pickup is what I am getting out of that.

Blue line, with the pickups straight to jack, has flat line response in the mid to low range.

Green line, with the tone pot closed all the way, magically boosts the low mid range. How is that possible?

 

[DwaynieAD]

the flaw is they're too awesome.

 

[Hopkins]

I drew the line there to illustrate the difference in output between the blue and green lines. Y axis is output and X axis is the frequency. I'm not going to teach you how to read graphs.



Blue line, with the pickups straight to jack, has flat line response in the mid to low range.

Green line, with the tone pot closed all the way, magically boosts the low mid range. How is that possible?

If I am understanding this right, the highest output with no tone control comes in at at about 1300 hz, when the tone rolled back that output level gets moved to about the 500 hz range.

 

[dkelley]

Blue line, with the pickups straight to jack, has flat line response in the mid to low range.

Green line, with the tone pot closed all the way, magically boosts the low mid range. How is that possible?

I'm uncertain though if you're honestly asking how it's possible or if you're being sarcastic. If you're being sarcastic then I'm guessing you do know how it's possible and I won't bother trying yet another way of explaining it ;-)

Hard to read understanding and follow multi-user threads online sometimes, sorry if I'm forgetting which belief you're subscribing to currently.

 

[dkelley]

If I am understanding this right, the highest output with no tone control comes in at at about 1300 hz, when the tone rolled back that output level gets moved to about the 500 hz range.

that's what I'm seeing in that example too. And it's louder at 500Hz with tone control all the way down than with tone control all the way up (hence again the term "boost" being used here, while I would say for accuracy that we're more honestly taking an existing frequency boost in the pickup/circuit and moving it around rather than actually adding a newly invented/created boost). Those frequencies will be different with different pickups, caps, and pots however.

 

[Hopkins]

that's what I'm seeing in that example too. And it's louder at 500Hz with tone control all the way down than with tone control all the way up (hence again the term "boost" being used here, while I would say for accuracy that we're more honestly taking an existing frequency boost in the pickup/circuit and moving it around rather than actually adding a newly invented/created boost). Those frequencies will be different with different pickups, caps, and pots however.

Its not creating something from nothing which is what I was having trouble getting my head around. There is no way it could boost one frequency without leaching from another frequency. At least without being able to draw from an external energy source like an active circuit would.

 

[Hopkins]

I'm uncertain though if you're honestly asking how it's possible or if you're being sarcastic. If you're being sarcastic then I'm guessing you do know how it's possible and I won't bother trying yet another way of explaining it ;-)

Hard to read understanding and follow multi-user threads online sometimes, sorry if I'm forgetting which belief you're subscribing to currently.

He is being sarcastic in an effort to try and make other people look stupid. I dont let myself get bothered by it.

As far as the OP goes, the graph prooves that there is no low end loss with the tone control open.

 

[thiocyclist]

I saw that graph, I want to see it compared to another graph showing the frequency responce of the same pickup with no tone control in the circuit. If there is a frequency that is higher with the tone circuit than without then I will believe there is an actual boost.

The green line is no tone control.