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Posted by: chrisNova777
« on: December 17, 2015, 01:42:06 AM »voyetra was called "octave plateau"before.. im guessing thats why its called the "OP"-4001... 4001 is a play on words i think of 401 from "mpu-401" (after the roland mpu-401 (1984) which predates the op-4001 by a few years)
compare with the v-4001 http://www.oldschooldaw.com/forums/index.php/topic,2371
one of the first cards advertised by voyetra - began being advertised in late 1986 in pc mag
1986-01-14
FCC ID for this product was registered in january of 1986