Maintained! Yamaha's classic head amplifier. The sound is delicate and has good graininess, with good sound in the high frequencies. The uncharacteristic characters that can be used by a wide range of people, from beginners to intermediates, are attractive. Serial 02570 (Takasaki Atsushi)
Maintenance information: 2023.11.15 Maintained (all power supply section electrolytic capacitors replaced with high ripple types at 105°C products, mode changeover switch contact components mirror polished, oxidation prevention treatment. The DC offset of the amplifier section was readjusted, the distortion ratio was measured 0.03% or less, and the S/N90 dB or higher was confirmed. (Running test.)
Accessories: none
Main Specifications: Impedance 10/100Ω Gain Low34dB High14dB Input 1 System Bypass Allowed W150 x H67.5 x D352 mm 3.5 kg