[CathodeRay]

One big parasite found hanging off the tail end of an Ironbell Big Muff.

Resistor Capacitance » Resistor Guide

 

[mhammer]

At first, I was thinking "What the hell is he going on about?" And then I finally noticed the discrepancy between the stated item and the drawn item.

Man, talk about an obscure esoteric joke. But I get it, and it's funny. That may be clinically diagnostic for the both of us.

 

[greco]

It took me a bit of time to finally see it.

The link was very interesting...except for the math.

 

[jb welder]

The link was very interesting...except for the math.

Please calculate the value the resistor would have to be to provide a parasitic capacitance of 560pF at say, 400Hz.
Show your work.

 

[greco]

Show your work.

 

[CathodeRay]

It took me a bit of time to finally see it.

The link was very interesting...except for the math.

Fyi, in that diagram over at bigmuffpage, I think R28 should be a capacitor, the ground end not grounded but connected to pin 2 of the volume pot, acting as a bleed cap (treble boost) at lower volumes.
Anyone trying to decipher that schematic is gonna have a rather long day.

 

[jb welder]

Fyi, in that diagram over at bigmuffpage, I think R28 should be a capacitor, the ground end not grounded but connected to pin 2 of the volume pot, acting as a bleed cap (treble boost) at lower volumes.
Anyone trying to decipher that schematic is gonna have a rather long day.

I think you are right.
Here they mention it doing the same job as C16 on the sustain pot (treble bleed), but neglect to mention the miswire or the typo.
(scroll down to Iron 'P19' Bell) Big Muff Pi Versions and Schematics