From Manufacturer
Add the dreamy immersive effects of a vintage rotating speaker to your production tool kit with the Waterfall Rotary Speaker Plug-In from Universal Audio. This exacting emulation of the Leslie 147 rotary speaker cabinet captures its reflections and resonances by using expertly placed vintage microphones and recording test signals at hundreds of angles (less than one degree apart for each mic configuration), resulting in a precise model of the time-varying sound of the spinning speakers.
Additionally, the 147 power amp was accurately emulated for authentic nonlinear saturation and distortion to ensure you get the kind of results that have have made an indelible mark on countless records over the years. This plug-in software download includes a native version that will run on Mac and Windows computers without UA hardware as well as a second version that runs accelerated on Apollo interfaces and UAD-2 hardware.