TZ – VCO = Through Zero VCO
F1 x F2 do in analog computing to get a perfect tracking FM-VCO
Good FM and metallic sounds
lin-FM manually and CV- controllable!
Sine, Triangle, Square and Saw output
Tracking over 7-Octaves
Metallic sound. Carrier (TZ-VCO) and Modulator (XR-VCO) are tuned and tracking parallel. Modulator is slightly changing manually and periodically by a LFO. At the ende modulator is fading out:
Two TZ-VCO interaction: