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General| Type | AV Receiver |
|---|---|
| Channels | 7.1 |
| Power Output | 85 W per channel (8 ohms) |
| Frequency Response | 10 Hz - 100 kHz |
| Total Harmonic Distortion | 0.07% |
| Weight | 20.1 kg |
| Input sensitivity | 200 mV |
| Signal to noise ratio | 100dB |
| Speaker load impedance | 8 ohms |
| Dimensions | 17.3 x 17.3 x 6.5 inches |
| Input Connections | Composite, S-Video, Component, Optical, Coaxial |
| Output Connections | Composite, S-Video, Component |
| Audio Formats Supported | Dolby Digital, DTS |
| Digital inputs | Optical, Coaxial |
| Video Connections | Composite, S-Video, Component |
| Signal-to-Noise Ratio | 100dB |
Guidelines for handling ES devices to prevent damage.
Procedure for measuring leakage current to ensure electrical safety.
Detailed technical specifications for the AVR 645 audio, tuner, video, and general sections.
Identification of all controls and indicators on the AVR 645's front panel.
Detailed listing and explanation of all rear panel input and output connection terminals.
Identification and function of each button on the AVR 645's main remote control.
Guide for installing and connecting the AVR 645 to various audio and video sources.
Procedures for turning the unit on/off, source selection, and sleep function.
How to select and use various surround sound modes available on the AVR 645.
Explanation of digital audio formats and how the AVR 645 handles them.
How to tune AM, FM, and FM Stereo stations, and store presets.
How to set up and operate the XM Radio service with the AVR 645.
Procedure to reset the AVR 645's memory and microprocessor for abnormal operation.
Procedures for adjusting amplifier idling and setting voltage levels for optimal performance.
