Oh great, that makes sense now. I thought all was of that not changed or updated vintage. So you have a turntable, amp and speakers you are happy with. Nice, that makes it much easier for you to really get a nice bump in sound quality..
I don't know what your cash limit is I totally understand how you appreciate using physical medial with CD and Records. That is great and good for you.
I think as far as bang for buck if you can afford this below it will be great add for you.
Read about it but it really will provide a level of performance that is state of the art and in the last year or they have dropped a lot in price to make it an amazing performance per dollar spend.
I owned one for a while before I switched to PS Audio DirectStream DAC and then to Bricasti M1SE DAC and honestly this DAC legit competed with those world class SOTA Dacs and for $1,500 bucks I don't think anything can touch it. You will use your CD player now as the transport and just need to make sure you also get a good solid little cable to attach your CD player transport to this DAC
Auralic Vega D/A Converter $1500
Stereophile Class A
" Summing Up
I am tempted to declare that, at $3499, the Auralic Vega is a bargain. For just over 5% of the price of the dCS Vivaldi three-piece DAC, the Vega got remarkably close in sound quality,
Read more at https://www.stereophile.com/content/auralic-vega-da-processor-page-2#4AMhi0EvyLraFYcS.99
If this DAC is too much money then grab one of these below but if you can afford the $1500 you will love it.
A couple less expensive options below For using with your CD player I think the Benchmark is better. An older but very fine unit.
Benchmark DAC-1 $350
Schiit Bifrost DAC D/A Converter; USB $335