Slow swell pedals

Electro-Harmonix Pico Swello

described as swell

EarthQuaker Devices Scrolls

described as slow attack swell effect, slow attack fade, slow attack volume

EarthQuaker Devices Organizer Octave Generator

described as slow attack keyboard note, swell

Pigtronix Gloamer Volume Swell

described as swell

Electro-Harmonix Pico Attack

described as swell

Pigtronix Gloamer

described as swell

Ernie Ball Expression Overdrive

described as swell

Electro-Harmonix Big Muff Pi

described as bloom

Pigtronix Asdr Attack Sustain

described as swell

Morley 20/20 Volume Plus

described as swell

Alexander Pedals Amnesia Delay

described as swell

Catalinbread Formula 55

described as bloom

Old Blood Noise Endeavors BL-44 Reverse

described as swell

Tycobrahe Octavia

described as bloom

Walrus Audio Slö

described as swell

Crazy Tube Circuits Constellation OC41

described as bloom

Crazy Tube Circuits Mirage Dual Reverb

described as swell

Electro-Harmonix Stereo Pulsar

described as swell

TC Electronic Choka Tremolo

described as swell

Wren and Cuff Pickle Pie

described as bloom

Catalinbread Formula 51

described as bloom

Alexander Pedals Now We Are Ghosts Reverb

described as swell

Strymon Ultraviolet

described as swell

JHS Pedals JHS Kilt V3

described as bloom