Nisshinbo Micro Devices

Low-noise alternate to the 4558

Made by the same company, New Japan Radio (NJR), that made the original chips. Most knowledgeable reviewers say that they sound identical to the NOS parts in TS clones. Typical for chips from this...

This is the JRC4558DD version  Made by the same company, New Japan Radio (NJR), that made the original chips. Most knowledgeable reviewers say that they sound identical to the NOS parts in TS...

OK as sub for the LM13700 in the Engineer's Thumb compressor and many other circuits. Check datasheets. 

Quad op-amp for clones of the BOSS OD-1