Which ECC83 or 12AX7 is well suited for phono, turntables and analog playback?

Tubes that are intended to amplify phono signals must above all be low-noise, low-distortion and well selected, meaning matched and balanced, because these devices often have very little negative feedback; therefore, the characteristics of the tube have a strong effect here:

ECC83 Premium S4A – low-noise, low-distortion, sounds excellent, detailed, pleasantly spacious and sounds like a tube – currently the best choice when it comes to phono preamps.

ECC803S Tung-Sol GOLD – tends toward warm sound, good S/N ratio, a good alternative for experimenting.

ECC83MG JJ – relatively unknown, comparatively low-noise, sounds pleasant and has excellent resolution – this tube is the tip when it comes to price-performance in vinyl playback.

With NOS tubes, special attention should be paid to acoustically tested tubes because of background noise; therefore, it is better here as well to buy from a specialist dealer:

E83CC Tesla NOS – sounds warm, pleasant and musical, with low noise.

E83CC Siemens – sounds musical, structured and precise.