[sdiy] favorite "magical" opamp?

[dan snazelle]

I use a lot of TL07XXX's

I dont really even question it in most cases unless I KNOW i need something better, or unless a circuit doesn't work the way it should and I go off in search of something that works.

(but even that switch is often just from a TLO7x to a TLO8x or a TLO6x.


Occasionally when reading an article or forum post, or when reading the daily SDIY posts I come upon people touting one opamp as WARMER or MEATIER in some situations.




SO....Looking though my collection of chips I am noticing that I don't have a lot in the way of OLDER opamps. I have TONS AND TONS of 741' and 356's. A few 1458's and 4558's.
It sure would be fun to have more opamps to switch in and out of a circuit to be able to change the characteristics.


SO...in the interest of having some fun doing A/B Tests and also in the interest of inspiring some late night circuit design, I would really love to hear what opamps you 
think are vital to have in your collection and why.

Remember, the more character the better.

And character is a very subjective, so maybe explain why you like that amp, or if there a few you like in different situations, maybe explain why.



THANKS!