Integrated Amps & Stereo Receivers Yamaha Releases A-S1200, A-S2200 and A-S3200 Stereo Integrated Amplifiers Stereo Integrated Amps for Audiophiles Yamaha just released reengineered A-S series integrated amplifiers for high-end audio enthusiasts. The new models — A-S1200, A-S2200 and... Brian MitchellMay 31, 2020