Elegantly simple yet technically sophisticated, the RP-1 is our latest tube preamplifier based on the innovative RP-X platform. Stunning in both performance and design, the RP-1 provides all of the features you need for a truly high end system. Boasting outstanding specs and remarkable sonics, the RP-1 sets a new benchmark in affordable performance and functionality. General Features: Two tube mu-follower design Multi function remote control OLED display with on/off Home Theater bypass/Unity gain inputs Four pairs of line level inputs One pair of phono inputs Two pairs of variable outputs One pair of fixed outputs Gold plated RCA jacks Machined aluminum faceplate and knobs 1W headphone amp 44/56 dB MM/MC phono stage RIAA equalization within 0.1 DB User adjustable cartridge loading Slow start turn on sequencing Auto mute at turn on/off Detachable IEC power cord Fully tested, burned in and auditioned 3 year limited warranty (6 months on tubes) Hand crafted in the USA - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Specifications: Tube complement: 2 x 12AU7/ECC802 tubes Frequency response: 1Hz – 75KHz +/- 1 dB THD: