The Onkyo TX‑NR818 AV receiver user manual provides safety warnings, installation steps, operation guides, and technical specifications.
This manual covers safety information, proper installation, and basic operation of the Onkyo TX‑NR818 AV receiver. It explains how to connect speakers, source devices, and configure multi‑zone audio, as well as how to use the remote control and advanced features.
Additional sections provide troubleshooting tips, firmware update procedures, and a full list of technical specifications such as power output, HDMI capabilities, and supported audio formats.
| Power Output (IEC) | 180 W per channel @ 6 Ω |
|---|---|
| Power Output (JEITA) | 230 W per channel @ 6 Ω |
| HDMI Inputs | 8 HDMI inputs (1 front panel) |
| Digital Audio Inputs | 6 digital inputs (3 optical, 3 coaxial) |
| Supported Audio Formats | Dolby TrueHD, DTS‑HD Master Audio, Dolby Atmos, etc. |
| Audio Sample Rate | 192 kHz / 24‑bit D/A conversion |
Verify that the local mains voltage matches the rating shown on the rear panel (e.g., AC 230 V 50 Hz or AC 120 V 60 Hz).