Synced FM oscillators:
synced FM osc  modulated by other synced oscs.
Separate volume control of the involved oscillators.
No SatMod.

UK=unknow
MM=multimode
PWM=PWM :-)
SR=sine/ring
 

dspLoad 2Sync MM-FM 18.80
dspLoad 2sync UK-FM 21.10
dspLoad 3sync MM-MM-FM 18.80
dspLoad 3sync MM-PWM-FM 18.70
dspLoad 3sync MM-S/RING-FM 20.50
dspLoad 3sync UK-MM-FM 21.20
dspLoad 3sync UK-SRING-FM 22.30
dspLoad 3sync UK-UK-FM 23.50