Micromega stage op amps

[peelaaa]

Hi, does anyone know what op amps were fitted to the 6 different stages of this cd player. ?
thanks

 

[Mooly]

Stage 2 had Philips NE5534 which I think were also in the 1 and 3. Don't know what the 4,5 and 6 used.

 

[dtses]

same NE5534 and 32 are in stage 4