This new phono preamplifier with tube output stage offers unrivalled performance and unique flexibility, which never before was available at this price!Sonic quality of Tube Box S is extremely impressive, a big improvement to Phono Box S and an audiophile upgrade for most analogue hi-fi system. With a wide range of setting parameters, it can meet the needs of almost any phono cartridge on the market. Carefully selected audiophile-grade components make it possible to enjoy your valuable vinyl collection like never before!The class-leading music reproduction of Tube Box S gives pure dynamics, full transparency, analogue warmth, bass texture, detail resolution and purity of all audible frequenciesFeatures:- Audiophile Performance- Audiophile-grade ECC83 (12AX7)- Dual mono configuration- Audiophile-grade polypropylene WIMA capacitors- Precise RIAA equalization- Switchable input impedance/capacitance- 3 adjustable gain levels- Subsonic filter- DC power supply (<1 watt standby power)- Available in silver and black