Opinions: On op amp replacement

[Jeff Baker]

i haven't studied the data sheets, but what about replacing 741's with
OP271's?

i.c. ultramedia wrote:

> I was recently given the advice to replace all the 741 and 748 op amps (on
> a paia modular)
> with LM301AN's, and LF351N's--------
>
> 2 questions.
>
> 1--Anyone have opinions on *how much* difference this might make? They're
> relatively cheap (1.10 usd or so) and direct pin-compatible, I've been
> told, but I'll need about 20, so thought I'd ask.
> 2--Any good projects with which to use the 741/748s that will be left over,
> or are they that useless...?
>
> Thanks gurus, for the thoughts...
>
> charles morpheus
> icumedia
>
> >I also found that if you change all the 748 op amps to LM301AN's, and 741
> >op amps to LF351N's that the system becomes much quieter and more stable.
> >Apparently the 741's and 748's, are the worst op amps you can get, and buy
> >changing them to newer, higher quality op amps, improves performance
> >dramatically (I got this info from a former ARP tech).