The wall wart is to keep it affordable but you can do better.
You can use a 6Ah 12V lead acid battery (may need to add an in line fuse) or you can buy a good regulated 12V DC power supply. There is one designed for the CC.
www.amazon.co.uk/Regulated-Linear-Clearaudio-Concept-Turntable/dp/B01LWCER51
You can use a 6Ah 12V lead acid battery (may need to add an in line fuse) or you can buy a good regulated 12V DC power supply. There is one designed for the CC.
www.amazon.co.uk/Regulated-Linear-Clearaudio-Concept-Turntable/dp/B01LWCER51