To Next PageTo Next PageWhat to do if my Onkyo TX-NR646 Receiver turns off unexpectedly?
If your Onkyo Receiver turns off unexpectedly, it's possible the protection circuit has been activated. When you turn the unit back on, check the main display for "AMP Diag Mode", which indicates the unit will enter a mode to detect abnormal conditions.
General| Impedance | 16 Ω |
|---|---|
| Receiver type | - |
| Frequency range | 10 - 100000 Hz |
| Output impedance | 470 Ω |
| Input sensitivity | 200 mV |
| Audio output channels | 7.2 channels |
| Signal-to-Noise Ratio (SNR) | 100 dB |
| Total Harmonic Distortion (THD) | 0.08 % |
| Dynamic power per channel (3 Ohm) | 240 W |
| Dynamic power per channel (4 Ohm) | 210 W |
| Dynamic power per channel (8 Ohm) | 120 W |
| Power output per channel (20-20KHz@8 Ohm) | 160 W |
| HDMI in | 8 |
| Composite video in | 3 |
| Digital audio coaxial in | 1 |
| Component video (YPbPr/YCbCr) in | 2 |
| Audio formats supported | AAC, FLAC, LPCM, MP3, OGG, WAV, WMA |
| Wi-Fi | Yes |
| Ethernet LAN | No |
| Bluetooth version | 2.1+EDR |
| Bluetooth profiles | A2DP, AVRCP |
| AM band range | 522 - 1710 kHz |
| FM band range | 87.5 - 107.9 MHz |
| Supported radio bands | AM, FM |
| Preset stations quantity | 40 |
| Product color | Silver |
| Audio decoders | Dolby TrueHD, DTS-HD Master Audio |
| Damping factor | 60 |
| AC input voltage | 220-240 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (standby) | 0.15 W |
| Power consumption (typical) | 630 W |
| Package weight | 12500 g |
| Package depth | 423 mm |
| Package width | 570 mm |
| Package height | 287 mm |
Weight and Dimensions| Depth | 329 mm |
|---|---|
| Width | 435 mm |
| Height | 173.5 mm |
| Weight | 9400 g |
