BillFitzmaurice.info

Anyone have experience using Harrison Labs FMOD's as a subsonic filter?

https://www.parts-express.com/FMOD-Cros ... ss-266-246

https://www.parts-express.com/FMOD-Cros ... ss-266-248

They lack sufficient slope. They also can't provide an accurate knee frequency as that depends on the input impedance of the driven amp, and being passive devices have high insertion loss. Don't use them.