DODJanuary 30, 2023Band-Pass Filter, Envelope Filter, Envelope-ControlledGFX25 Extreme Envelope Filter
Musitronics Mu-Tron EffectsApril 15, 2022Band-Pass Filter, Envelope-Controlled, High-Pass Filter, Low-Pass FilterMutron III w/Original Box
DODMarch 21, 2023Band-Pass Filter, Envelope Filter, Envelope-ControlledFX25 (Envelope Filter) (Early 1990s Perhaps)
DODMarch 21, 2023Band-Pass Filter, Envelope Filter, Envelope-ControlledFX25 (Envelope Filter) (V3) w/Original Box
DODMarch 21, 2023Band-Pass Filter, Envelope Filter, Envelope-ControlledFX25 (Envelope Filter) (Early 1990s Perhaps) w/Original Packaging
DODMarch 21, 2023Band-Pass Filter, Envelope Filter, Envelope-ControlledFX25 (Envelope Filter) (1984) w/Original Packaging
DODMarch 21, 2023Band-Pass Filter, Envelope Filter, Envelope-ControlledFX25 (Envelope Filter) (Late 1980s Perhaps)
Electro-HarmonixOctober 23, 2022Band-Pass Filter, Envelope-Controlled, High-Pass Filter, Low-Pass FilterXO Micro Q-tron (Envelope Follower)
