quad OP-amps

[mark verbos]

Hello,


is there any major difference in the quality of quad OP-amps as compared
to dual or even single packages?  I am just curious why anyone would use
a TL081 type OP-amp when they could sqeeze so much more circuit per inch
with say a TL084. 
-- 
mark verbos

"You have to understand that I am happy listening to nothing but drums
and an analog sequence for hours." 

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