Unleash the swirling magic of rotary speaker pedals in this ultimate showdown: BOSS RT-20 vs. Strymon Lex vs. NEO Instruments Vent vs. Electro-Harmonix Lester G and more. This comprehensive comparison dives deep with pristine audio demos, capturing each pedal's lush Leslie emulation—from slow, soulful chorusing to fast, throbbing vibrato—tested through organ rigs and guitar setups. Whether you're chasing vintage Hammond tones or modern swirl effects, discover which rotary wizard delivers the richest depth, easiest controls, and best value. Essential listening for tone obsessives seeking that hypnotic rotary roar!