Pioneer A-70 100W Stereo Integrated Amplifier 1985 with MM/MC phono stage

The Pioneer A-70 (1983–85, Japan) is a vintage flagship integrated amplifier delivering 120 W per channel into 8 Ωwith <0.003% THD, wide 5 Hz–100 kHz frequency response, and excellent SNR (109 dB high-level, 78 dB MM, 70 dB MC). It features MM/MC phono inputs (gold-plated), multiple analog inputs/outputs, dual mono construction, and a dynamic power supply for stability and dynamics. Controls include bass/treble ±10 dB, loudness boost, subsonic filter, mute, and Line Straight bypass. Measuring 420×131×411 mm and weighing 12.3 kg, it’s praised for clarity, dynamic sound, and a strong phono stage, making it a highly regarded piece among vintage hi-fi enthusiasts.