PsySperser is a vst3 plugin consisting of a stack of up to 32 Allpass filters in serial.
Can be used ie to shift / realign kick phase, or add frequencies smearing / coloring / laser effects on bass /leads / fx.
Features:
_up to 64 poles
_Frequency and resonance with phase response display
_Dual modes: 2 poles IIR with resonance biquads stack or TPT (Topology-Preserving Transform) Linkwitz-Riley structure , up to 32x filters
(For more advanced Phase manipulation can also check PsyPhaZ Pro