Dupe is a triple 1-to-3 buffered multiple in 4HP.
Inputs from upper channels cascade downward, allowing up to 9 copies of one input!
Possible combinations:
3x one-to-three mults.
1x one-to-three and 1x one-to-six mult.
1x one-to-nine mult.
Specs:
Width: 4HP
Depth: 20mm (including power pins)
Current draw: 50mA +12V; 47mA -12V