DOC Knows Best
The story of how Seigfried Kullmann came to model the SQ80 so closely is really the tale of two DOCs. Doctor Rainer Buchty, who extensively re-engineered the original hardware, and the Ensoniq DOC chip. 
Rainer’s work made him come to realize the importance of the famous Ensoniq DOC chip to the sonic character of the synth.
This is the same chip that is the heart of the groundbreaking Ensoniq Mirage and the infamous Apple II GS. In fact, the Ensoniq music component caused the second round of lawsuits between the Beatles Apple Corps. music empire and Apple Computer.
The resulting lattice of agreements between the two companies began a series of events that would culminate in Apple’s near-dominance of the music industry in the early 21st century with the iPod and iTunes! You could almost say that this musical empire all began with a little 8 bit chip designed by Ensoniq uber-genius and co-founder Robert "Bob" Yannes (who also created the famous Commodore 64 SID chip!).
What’s Up DOC!
While other soft synths like the Wusikstation essentially duplicate the Ensoniq signal flow, only Seigfried Kullmann has developed a sound based on the specifications of the original Ensoniq sound engine. It could be argued that the DOC chip has as much or more influence on the sound than the famous Curtis filter bank that graces the synth. Without this key innovation, the SQ8L (and its commercial big brother, the SQ8X) would be just another VST.
But the SQ8L is more than just a clone. One look at the capabilities of the LFO section, for example, and any die-hard synthesist will be in module nirvana! But don’t take my word for it. Download the free VST and fire it up in your host. The sound will blow you away. Or double your money back!
Download the VST from Buchtynet!
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