[QuadList] Weekend Puzzle Picture

[Chill315 at aol.com]

Don
 
You deserve an "at a boy" for getting a good one.  First this is a  board 
with 24 pins so it fits the signal system of the VR-1200 or VR-2000.   Next 
the previous respondents noted the delay line.  So the only conclusion  that 
I can come up with is that this is a one line delay module for the VR-1200  
or VR-2000.
 
Next is the fact that this is not the Ampex color for a circuit  board.  
Therefor it was made by another manufacture.  Also the IC's on  it suggests 
that it may be after market.  Date codes indicate that at least  one of the 
IC's was manufactured in 1978.  So how about CMC or  Merlin?
 
Chris Hill
WA8IGN
 
 
 
 
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