Spire from Reveal Sound is a downloadable, virtual synthesizer that contains echoes of classic analog synthesizer structures, presented in a digital form. The four multimode polymorphing oscillators, extensive modulation capabilities, the steppers and arpeggiator and effects, provide the instrument with deep synthesis capabilities, which can be bypassed in favor of over 700 presets.
Four versatile multimode polymorphing oscillators: Classic, Noise, FM, AMSync, SawPWM
Unison Engine with nine unison voices on each oscillator
Spread unison voices by chords and octaves
Capable of imitating different types of unisons like supersaw, hypersaw
Two multimode filters with analog and digital types of filtering
Built-in effects processor with shaper/decimator, phaser/vowel, chorus/flanger, delay and reverb
Flexible modulation architecture provides four macros, four envelopes, four LFOs with morphing shapes, fifteen matrix slots each equipped with two sources and four targets
Two steppers and an arpeggiator
X-Comp (multiband compressor) and 3-band EQ
Over 700 factory presets including complex arpeggios and bass sequences, assortment of leads, pads, plucks, drums, and special effects