Eventide Spring, Reverb plug-in (download), Models the characteristic sound of popular spring reverbs, Detailed setting options such as number of springs, damping, resonance etc., Decay can be synchronised to the DAW in tempo, Tremolo sound similar to tube amps, Optionally usable pre- or post-reverb, HotSwitch for fast switching between alternative settings, Virtual ribbon controler allows for changing any combination of parameters simultaneously