[sdiy] why use TDA1022's or any other no longer made BBD fornewprojects?

[JH.]

> CLS-222 and I would
>need TDA1022's for that puppy. I think the TDA1074's might be tougher to
>come by - what a weird part choice...
>
>Maybe Dynacord has them horded up somewhere...

No - they were quite popular in Germany at the time.
The CA3280 is a different thing alltogether, here.
When I cloned that CLS-222 many years ago, I had to redesign it for 
LM13600s.

JH.