TOP OF THE LINE MCINTOSH TUBE MM/MC PHONO PREAMPLIFIER - FULLY BALANCED DUAL MONO CIRCUITRY WITH 4X 12AX7A TUBES (2X CHANNEL), LEFT AND RIGHT CHANNELS MECHANICALLY AND ELECTRICALLY SEPARATED, ISOLATED POWER STAGE - VARIABLE GAIN FROM 40 TO 64 DB - LOAD SETTINGS: 7X IMPEDANCE (OHMS), 8X CAPACITANCE (PF) - 4 PRE-PROGRAMMED AND 5 PROGRAMMABLE MM/MC PROFILES, ASSIGNABLE TO ANY INPUT - ANALOG EQUALIZATIONS RIAA, LP, NAB, AES AND 78 - RUMBLE AND SCRATCH FILTERS - MONO MODE FOR OPTIMAL REPRODUCTION OF MONOPHONIC RECORDINGS - ANALOG PHONO INPUTS (CONFIGURABLE AND ASSIGNABLE AS MC/MM): 1X BALANCED XLR L/R, 3X UNBALANCED RCA L/R - ANALOG LINE INPUTS: 1X BALANCED XLR L/R, 1X UNBALANCED RCA L/R - BALANCED XLR AND UNBALANCED RCA ANALOG OUTPUTS - DIGITAL OUTPUTS: 1X USB, 1X COAXIAL ELECTRIC S/PDIF RCA, 1X OPTICAL TOSLINK - POSSIBILITY TO DIGITIZE VINYLS AND ANY ANALOG SOURCE (THANKS TO BALANCED AND UNBALANCED ANALOG LINE INPUTS) VIA DIGITAL OUTPUTS (E.G. USB CONNECTION TO A COMPUTER), WITH SAMPLING QUALITY UP TO 24 BIT / 192 KHZ - OUTPUT VU-METER - INPUT AND OUTPUT TRIGGER POWER CONTROL - IR PORT - REMOTE CONTROL INCLUDED - DIMENSIONS (W X H X D) 445 X 153 X 457 MM - WEIGHT 11.8 KG