CMRR measurements of NE5534 / NE5532 / LM318 from various manufacturers. PSU voltage +-15V,  Cc=0pF, Cl=0pF.

NE5534N Philips:

SE5534AN ONsemiconductor:

NE5534P TI :

NE5534AP(old, 80s) TI :

NJM5534D JRC:

NE5532P TI :

NJM5532D JRC:

LM318N National Semiconductor :

LM318D TI :

LT318A :

NE5534, structure and secrets of use.

Open loop gain measurements of NE5534 / NE5532 / LM318 from various manufacturers.

DC parameters of NE5534 from various manufacturers.

Accurate SPICE macromodels for some op amps.

"Directly or indirectly, all questions connected with this subject must come for decision to the ear, as the organ of hearing; and from it there can be no appeal" J.W.S. Rayleigh