200e

cuari7 <cuari7@comcast.net> wrote:        
Really?
For some reason I thought it had come out about the same time as the 
other 200 modules. I guess it was the 258 that was from the early 70's.
--------------------------------------------------------------------------------------
  I was just bustin your chops,  however the 259 schemos are dated 1977 I believe... revisions in 1978... I wouldnt be suprised if development started in late 76.. hard to say exactly.. I guess the earliest schemo date is the best point of refernece.
  I generally seperate the 200 into 3 main "eras"  
  1) Davis Black knob  - (217, 258, 226, 280, 246 etc) 1970 -1973 (15 volt)
2) Rogan AR knob - CMOS heavy modules (281/208/227/248/218/219 etc) from 1974-76 (15 or 10 volt)
3) Rogan RB knob - later blue knob modules (266, 259, 296, 292C, 221)  1977-83 (10 volt)
  last series was designed around interfacing with the 300 series computers... I would think thats why the shift to 10 volts.. 0-9 is easier to input into patch then getting all complex with hex... which they did anyway
  
 


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