JB equivalent

Ibanez V8
8f7534_49d6c1b57fbb4ce5bf2ba99503d716c1~mv2.png
 
Ibanez V8
8f7534_49d6c1b57fbb4ce5bf2ba99503d716c1~mv2.png
You're not far off actually, I was very impressed with how good the V8 sounded in my blue RG550 and how close to the JB is.
 
I think it's a bit more complicated, being the tone control a 1st order lowpass filter

Practically, the low-pass / hi-cut effect of the tone cap affects the resonant peak only when the resistance of the pot is set very low.

One can put a jumper instead of a tone cap: it won't change how the tone control works until it reaches 3/10 or less...

On guitarnutz2, one can find schematics of tone controls WITHOUT caps, therefore: a 4.7k resistor is just there to avoid the tone control to behave like an abrupt volume pot when set @ 0/10...

Not saying caps don't do no differences: when I switch from a 22nF cap to a Q filter with a 250k tone control set full up, I hear it (and my frequency analyzer shows differently shaped hi harmonics, as it does with different caps). But functionally, the load of a tone control is not denied by the tone cap: a 500k volume and a 500k tone effectively give a load of 250k.

It can be checked through a simple 5spice sim if needed.

FWIW. HTH. :-)
 
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Duncan JB alternatives, in a Les Paul.

Have a look at these :

https://tonerider.com/products/rocksong?variant=40072447230088 - very under rated.

https://www.dimarzio.com/pickups/high-power/super-distortion - deff worth a look.

The JB (SH-4) is known for a tighter, brighter sound with pronounced upper-mids, while the Super Distortion (DP100) offers a warmer, thicker, and more bass-heavy sound with high output,

https://www.bareknucklepickups.co.uk/pickup/humbucker/crawler - want to get a set myself.

 
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