A-S501
| A-S301 | A-S3000 | A-S2100 | A-S1100 | A-S801 | A-S501 | ||
|---|---|---|---|---|---|---|---|
| Minimum RMS Output Power (8 ohms, 20 Hz-20 kHz) | 60 W + 60 W (0.019% THD) | - | - | - | 100 W + 100 W (0.019% THD) | 85 W + 85 W (0.019% THD) | |
| Maximum Power (4 ohms, 1kHz, 0.7% THD, for Europe) | 95 W + 95 W | 170 W + 170 W | 160 W + 160 W | 160 W + 160 W | 160 W + 160 W | 120 W + 120 W | |
| High Dynamic Power/Channel (8/6/4/2 ohms) | 100/120/140/150 W | 120/150/200/300 W | 105/135/190/220 W | 105/135/190/220 W | 140/170/220/290 W | 130/150/185/220 W | |
| Damping Factor | 210 | 250 | 250 | 250 | 240 | 240 | |
| Frequency Response | 10 Hz-100 kHz +/-1.0 dB | 5 Hz-100 kHz (+0 dB/-3 dB) | 5 Hz-100 kHz (+0 dB/-3 dB) | 5 Hz-100 kHz (+0 dB/-3 dB) | 10 Hz-100 kHz +/-1.0 dB | 10 Hz-100 kHz +/-1.0 dB | |
| Total Harmonic Distortion (CD to Sp Out, 20 Hz-20 kHz) | 0.019% (50 W/8 ohms) | 0.025% | 0.025% | 0.025% | 0.019% (50 W/8 ohms) | 0.019% (50 W/8 ohms) | |
| Signal-to-Noise Ratio (CD) | 99dB (input shorted, 200 mV) | 103 dB (S: 200 mV) | 103 dB (S: 200 mV) | 100 dB (S: 200 mV) | 99dB (input shorted, 200 mV) | 99dB (input shorted, 200 mV) | |
| Audio In / Out | 8 / 2 | - | - | - | 8 / 2 | 8 / 2 | |
| Digital Input | Yes (optical / coaxial) | - | - | - | Yes (optical / coaxial) | Yes (optical / coaxial) | |
| Subwoofer Out | Yes | - | - | - | Yes | Yes | |
| DC out | Yes | - | - | - | Yes | Yes | |
| Pure Direct | Yes | - | - | - | Yes | Yes | |
| ToP-ART | Yes | - | - | - | Yes | Yes | |
| Standby Power Consumption | 0.5W | - | - | - | 0.5W | 0.5W | |
| Power Management (Auto Power Standby) | Yes | - | - | - | Yes | Yes | |
| Dimensions (W x H x D) | 435 x 151 x 387 mm; 17-1/8” x 6” x 15-1/4” | 435 x 180 x 464 mm; 17-1/8” x 7-1/8” x 18-1/4” | 435 x 157 x 463 mm; 17-1/8” x 6-1/8” x 18-1/4” | 435 x 157 x 463 mm | 435 x 152 x 387 mm; 17-1/8” x 6” x 15-1/4” | 435 x 151 x 387 mm; 17-1/8” x 6” x 15-1/4” | |
| Weight | 9.0 kg; 19.8 lbs. | 24.6 kg; 54.2 lbs. | 23.4 kg; 51.6 lbs. | 23.3 kg | 12.1 kg; 26.7 lbs. | 10.3 kg; 22.7 lbs. | |
| RIAA Equalization Deviation | - | 20 Hz-20 kHz +/-0.5 dB | 20 Hz-20 kHz +/-0.5 dB | 20 Hz-20 kHz +/-0.5 dB | - | - | |
| Input Sensitivity (CD) | - | 200mV/47k ohms | 200mV/47k ohms | 200mV/47k ohms | - | - | |
| USB Input | - | - | - | - | Yes (type B) | - | |
| Switchable CD Direct Amplification | - | - | - | - | Yes | - | |
