Onkyo TX-NR646 Receiver

• Onkyo
• Channels: 7.2
• Processing: High-grade AK4458 DAC
• Power supply: AC 120 V, 60 Hz
• Power consumption: 6.4 A
• No-sound power consumption: 70 W
• Standby power consumption: 0.1 W
• Dimensions: 17.1 x 6.9 x 13 in (43.5 x 17.4 x 32.9 cm)
• Weight: 20.7 lb (9.4 kg)

Amplifier

• Power output, all channels: 170 W/ch, 6 ohm, 1 kHz, 0.9% THD, 1 channel drive, FTC; 100 W/ch, 8 ohm, 20 kHz–20 kHz, 0.08% THD, 2 channels driven, FTC)
• Dynamic power: 240 W (3 ohm, front); 210 W (4 ohm, front); 120 W (8 ohm, front)
• THD + N: 0.08% (20 kHz–20 kHz, half power)
• Damping factor: 60 (front, 1 kHz, 8 ohm)
• Input sensitivity and impedance: 200 mV/47 kohm (line); 3.5 mV/47 kohm (phono MM)
• Rated RCA output and impedance: 100 mV/2.2kohm (zone 2 line out); 200 mV/470 ohm (subwoofer pre-out)
• Max RCA output and impedance: 1 V/2.2 kohm (zone 2 line out); 2 V/470 ohm (subwoofer pre-out)
• Phono overload: 70 mV (MM, 1 kHz, 0.5%)
• Frequency response: 10 Hz–100 kHz/+1 dB, -3 dB (Direct Mode)
• Tone control: +/- 10 dB, 20 Hz (bass); +/- 10 dB, 20 kHz (treble)
• Signal-to-noise ratio: 100 dB (line, IHF-A); 80 dB (phono MM, IHF-A)
• Speaker impedance: 6–10 ohm

Video

• Input sensitivity/output level and impedance: 1 Vp-p/75 ohm (component), 0.7 Vp-p/75 ohm (component PB/CB, PR/CR), 1 Vp-p/75 ohm (composite)
• Component video frequency response: 5 Hz–13.5 MHz / + 0 dB, - 3 dB

Tuner

• Tuning frequency range, FM: 87.5 MHz–107.9 MHz
• Tuning frequency range, AM: 530 kHz–1,710 kHz
• FM/AM preset memory: 40 stations