Oberheim OB-1 /ca3080e filter question

[R.Fahl]

>>just a quick question.
>>Looks like some of the Ca3080E ic's in the filter section of a friends OB-1
>>are going to need changing . They seem to be colour coded ? Anyone know how
>>these were selected or can I just use a standard Ca 3080 IC ?
>>regards  Peter
>> South London England
>
>Since Synthfool just unsubbed, I'll try to help (only because I just
>heard some info about the venerable 3080). If my info's correct, replace
>these with parts that have the letter E at the end. It was a slightly
>different model, in terms of performance. I think it was Batz who posted
>this info...

I think there's a little more to this.  The 'E' just means that the IC is a
DIP, as opposed to the 'A' which is a can.  I suspect that the 3080's were
matched, though I'm not sure what for.  Maybe Juergen knows.

R>