fl-ap

https://www.netpd.org/fl-ap.png

all-pass filter:

fl-bp

https://www.netpd.org/fl-bp.png

band-pass filter

fl-hishv

https://www.netpd.org/fl-hishv.png

high-shelving filter

fl-loshv

https://www.netpd.org/fl-loshv.png

low-shelving filter

fl-notch

https://www.netpd.org/fl-notch.png

notch filter

fl-peak

https://www.netpd.org/fl-peak.png

peak filter

fl-res

https://www.netpd.org/fl-res.png

resonant filter

fl-rhip

https://www.netpd.org/fl-rhip.png

resonant high-pass filter

fl-rlop

https://www.netpd.org/fl-rlop.png

resonant low-pass filter