I bought the Philips CD723 because audiophile friends have assured me that it was the top once changed and they would give me the pipes you later.
Despite my requests repeat, three years later I still had received no hose.
Qques after doing research on the net, I found two interesting articles of the new magazine of her and guide a person involved in the amendments.
I got dressed, I applied all the changes have serious and test many different components (capas, ops, diodes) I finally found my personal recipe, with the OP AD826 and it works including the thunder, the result is the day and night with the original sound (which is my taste using) Now: big dynamic claret precision, low gnial, but what a lot of work Search!
Jerome (Paris, France)