Pulsar Audio Primavera (ESD); reverb plugin; faithful emulation of six sought-after and legendary vintage spring reverb units with additional features like drive, filters, ducking an more; Great British Spring: is the cleanest reverb in the selection and produces a very dense and open sound ideal for vocals and other elements that need to shine above the mix; HR12: a very lo-fi type of reverb with very little loe-end, built in Japan in the late '60s, that delivers a rich vintage color, and the characteristic "boing” sound of the springs; SR202: built on a legendary hi-fi consumer reverb, sounds dark with prominent beats in the reverb tail and has a low density of the reverb tail with a vibey "flutter” color; RE201: versatile tank based on the classic Space Echo from Roland with dense and diffuse reverberation tails; Tubby: delivers a very round and watery sound, with big beats to add the color of old-school dub music and a nostalgic effect that works really well on brass, skank keys, or guitars; Twang: inspired from the guitar amps that popularized spring reverbs, this tank delivers the expected lo-fi of vintage gear with tons of character and color; adjustable Pre-Delay and Decay times, transient depending and manual excitation of the springs as well as controls for the tension of the springs and stereo widht; input with Drive section featuring a pentode-type tube amplification, or a Germanium transistor preamplifier; built-in 12dB / octave slope High-pass and Low-pass filters