Oberheim, Synthesizer, models:

4-Voice	Instruction Manual
DSX	Owner'S Manual
Matrix-12	Owner'S Manual
Matrix-6	Owner'S Manual Service Manual
Matrix-6R	Owner'S Manual
OB 12	Operating Manual
OB-1	Owner'S Manual
OB-8	Owner'S Manual Service Manual Instruction Manual
OB-Mx	User Manual
OB-SX	Owner'S Manual
OB-X	Owner'S Manual Service Manual Instructions
OB-X8	User Manual
OB-XA	Owner'S Manual Service Manual
Two Voice	Instruction Manual
Xpander	Owner'S Manual Service Manual