Thanks to my friend Dylan for measuring the frequency response of his wah pedal @ 0:55.
In this video I use a practical example to show you how to check the filter range of a wah effects circuit.
0:00 Intro
0:17 Introduction wah effect
0:31 Fonky wah demo
1:10 Theoretical working principle
2:12 Stepping a resistor
2:51 Running the simulation
3:00 Optimizing the circuit
3:50 Outro