Definitely the red book cd is GREAT given the recording engineers did their job as they‘re supposed to.
Just as oregonpapa stated …it’s not always the player itself which has to be replaced as a unit versus a „newer“ (and according to marketing of course „better version“). Oftentimes you get the last „missing“ improvements by doing relatively inexpensive tweak like e.g. changing the cheap standard fuse or finding cables with better synergy in your system. In my case after swapping the fuses in my cdp and my preamp I simply changed positions of my two different XLR interconnects (Stealth Indra & Transparent Reference XL) within my chain…. The improvement in sound was unbelievable and mind-blowing …due to improved synergy…and didn’t cost me a penny!
Just as oregonpapa stated …it’s not always the player itself which has to be replaced as a unit versus a „newer“ (and according to marketing of course „better version“). Oftentimes you get the last „missing“ improvements by doing relatively inexpensive tweak like e.g. changing the cheap standard fuse or finding cables with better synergy in your system. In my case after swapping the fuses in my cdp and my preamp I simply changed positions of my two different XLR interconnects (Stealth Indra & Transparent Reference XL) within my chain…. The improvement in sound was unbelievable and mind-blowing …due to improved synergy…and didn’t cost me a penny!