[sdiy] What to do with REALLY obsolete parts?

[np]

dj hohum schrieb:
> The UA726 has become valuable because there is no
> reasonable substitute, the same cannot be said for old op-amps.
The diy guitar effect guys have a completely different view about this. 
Old and obsolete RCA opamps go for a good price on ebay these days 
because they sound good when overdriven (I don't hear much of an 
improvement though. They just sound different but not better to my ears).

First generation 4741 quad-opamps get a good price as well. That said I 
wouldn't toss them.  Keep them unless you really need the space.

  Nils