How to replace hardwired stock power cord ?

I should have mentioned; observe where the existing cord's, "hot"(narrow) and, "neutral"(wider prong) conductors are connected, just to cover the bases.  

Erik - you said better results if I forego using detachable cords and replace with a high quality shielded cable......while practically everyone else says to get high quality detachable power cords. 

However I must agree that the cable you suggested - indeed a high quality and well shielded cable if installed well - should make a very good well shielded high quality and very affordable power cable.  This would eliminate the need for the IEC connector and works on the chassis right ? All I need a good mains plug - my job is done right ? - at least pertaining to the power cord section? 

When you have time - do have a look at this link - suggest the mains plug.   https://www.futureshop.co.uk/furutech-fi-1363-n1-l-shape-angled-uk-mains-plug-copper


rodman99999 - points well noted. thank you!

Erik - I found two options at site..... https://www.partsconnexion.com/dh-labs-bulk-ac-power-cable.html

12 & 14 AWG cable.....if I can open up my player - and get it connected direct - all I need is then just a suitable power mains plug. 

Please do recommend a suitable power mains plug - please.

Thanks 

Here's hoping you'll realize somewhat of an audible improvement, using that cord, in either gauge.    Far as AC plugs, Parts Connexion has a variety:   https://www.partsconnexion.com/ac-power-schuko.html

 Your CD player is very old (20+ years) and really is it worth spending time and money trying to upgrading it? I highly doubt you'll hear much sound difference with a power cord change (I've been wrong before though). 

I'd bet you'd have better sound quality results by spending the money that would be spend on a power cord on a DAC.  there are some good DAC's that are under $250 that would sound a whole world better then the old one in the Nak. IMO

I'm not trying to be judgmental just bringing some (possible) reality to the discussion. 

Also if you have never soldered before I'd get someone that has some experience to do the work, if you go ahead. bad solder joint on the power input could be a fire hazard. or get some training that could be fun also.