Marantz MODEL 50 Integrated Stereo Amplifier Colour:SilverGold designed and hand crafted at the designed and hand crafted at the legendary Shirakawa factory in Japan Reinforced 3 4” MDF construction with an all new bracing design reduces cabinet vibration for less audible coloration and improved sonic accuracy SA2 Power Transformer: Toroidal El Yes High Grade Audio Components Yes Customised Components Yes Symmetric PCB Layout Yes Aluminium extrusion heat sink Yes Balance Bass Treble Loudness Yes Yes Yes Others Linear Drive Power Supply Yes Liniear volume control Yes Schottky diodes Yes Input buffer amp (all inputs CD only) Solid Heat Sinks Yes System block shielding: Copper metal none none Bottom Plate triple Low noise OLED display Yes Source Direct Yes Power Amp direct Yes Inputs Outputs Audio Inputs 6 Digital in: USB B optical coaxial USB A Phono Input: MM MC Yes Audio Outputs 1 Balanced In Out Pre out Main in Yes + subwoofer Power Amp Direct IN Yes Gold Plated Cinch Yes Speaker A B Yes Speaker Terminals Marantz SPKT 1+ Number of terminals 4 D Bus Yes Headphone Out Yes Specifications Power Output (8 4 Ohm RMS) 70 W 100 W Frequency Response 5 Hz–100 kHz Total Harmonic Distortion 0 The built in MM phono stage works with your turntable to amplify the nuance and tone in your records