The actual tone of the Persephone is glorious … Overall, and I do not say this lightly, the Persephone is probably the best small‑format VCA I have come across in Eurorack
Read the full review here.
Ivo is a resonant low-pass VCF (Voltage Controlled Filter), switchable between 2-pole (12dB/octave) and 3-pole (18dB/octave) responses, with voltage control over feedback (resonance) as well as cutoff frequency.
Lorelei is a VCO (Voltage Controlled Oscillator) with quadrature sine outputs, waveshaping, and sync/cross-modulation options.
Beatrix is a phaser, offering voltage control over notch frequencies, effect depth and feedback (resonance).
All are available immediately (stock permitting) - see Where To Buy.