I'm not sure about where Alesis came from. I think their first product was a guitar tuner though. Originally Japanese I think Paul. Alesis is American owned today by Harmon Industries, a real giant. I had heard from many sources that if it were not for the Alesis A6 (AKA, Andromeda), Harmon would not have bought the company and the A6 would have become super rare instantly because Alesis was going down. whew! it's a good thing that Harmon Ind. said OK. I wonder what they did with all the money from all of those ADAT's they sold? Hmm.
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I was totally bummed when Sequencial Circuits closed the books. I mean REALLY bummed. Paul, they made the best synths man, (for the time)Their units generally had way more flexibility than the others. I Still miss them.