> I'm not sure about the cap above the ladder (between the two 100 ohm > resistors) -- it's 0.01 uF on the ARP Quadra and 10uF on JH's > schematic. I'll guess that's what is causing the low-pass effect in > the simulation. That's 10n, not 10u, in my drawing. Sorry for bad handwriting (;->) JH.