A-S2200 Integrated Amplifier New A performance fit for the global stage and inheriting many features from its big brother, the A-S2200 delivers an authentic, powerful yet somehow elegant and emotional Hi-Fi sound. Absolute musicality from a luxuriously beautiful instrument. Fully balanced circuit design from input to speaker out Large toroidal power transformer with enormous energy delivering an authentic Hi-Fi sound Gorgeous level meters convey dynamics and music pulse with a nod to the nostalgic Hi-Fi era Thick wires for ground connection contribute to low impedance design for a wide and open sound stage Mechanical ground concept maximizes rigidity for expressive and rhythmic bass Receiver / Integrated AmplifierRated Output PowerHigh Dynamic Power/Channel (8/6/4/2 ohms)Damping FactorFrequency ResponseRIAA Equalization DeviationTotal Harmonic Distortion (20Hz to 20kHz)Signal-to-Noise RatioInput SensitivityTransformerDimensions (W x H x D)Weight A-S2200 Receiver / Integrated Amplifier Rated Output Power [20 Hz-20 kHz, 0.07% THD] 90 W ＋ 90 W (8 ohms), 150 W ＋ 150 W (4 ohms) High Dynamic Power/Channel (8/6/4/2 ohms) 105/135/190/220 W Damping Factor ≧ 250 (1 kHz, 8 ohms) Frequency Response +0 / -3 dB (5 Hz-100 kHz) , ＋0 / -0.3 dB (20 Hz-20 kHz) RIAA Equalization Deviation ＋/-0.5 dB (PHONO (MM/MC)) Total Harmonic Distortion (20Hz to 20kHz) PHONO MC→LINE2 OUT: 0.02 % (1.2 Vrms), PHONO→LINE2 OUT: 0.005 % (1.2 Vrms), CD, etc./BAL→SP OUT: 0.035 % (50 W/8 ohms） Signal-to-Noise Ratio PHONO MC: 90 db, PHONO MM: 96 dB, CD, etc.: 110 dB, BAL: 114 dB Input Sensitivity [1 kHz, 100 W/8 ohms] PHONO MC: 150 uVrms/50 ohms, PHONO MM: 3.5 mVrms/47 kohms, CD, etc.: 200 mVrms/47 kohms, MAIN IN: 1 Vrms/47 kohms, BAL: 200 mVrms/100 kohms Transformer 625VA (Toroidal) Dimensions (W x H x D) 17-1/8" x 6-1/8" x 18-1/4" Weight 50.0 lbs