Technics SL-P477A/ PG440A which opamp to change

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Hi

I have 2 Technics MASH cd players which I got cheaply from gumtree. Being a Technics fan, i thought i try a MASH player, they are not bad, but I plan to upgrade the opamps in them. I have a friend who can do the smds, as my soldering isnt the best esp for something so fine

Which opamp do I change.
most benefit will come from applying the high performance op amp after the converter in the signal chain. from TI:)

4560? opamp not LM833N

I am planning using the OPA1612, which was suggested at TI, which was in my V8 phonostage :Pawprint: which sounds great
P477A pcb
33diovn.jpg


PG440A
14mcaxx.jpg
 
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