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FM Specifications| FM tuning range (U.S. & Canadian models) | 87.90 – 107.90 MHz, 200 kHz steps |
|---|---|
| FM tuning range (Other area models) | 87.50 – 108.00 MHz, 50 kHz steps |
| FM usable sensitivity (Mono) | 12.8 dBf 1.2 µV, 75 Ohms IHF |
| FM usable sensitivity (Stereo) | 19.2 dBf 2.5 µV, 75 Ohms IHF |
| FM 50dB quieting sensitivity (Mono) | 18.0 dBf 2.2 µV, 75 Ohms |
| FM 50dB quieting sensitivity (Stereo) | 38.0 dBf 22 µV, 75 Ohms |
| FM capture ratio | 1.5 dB |
| FM image rejection ratio | 85 dB |
| FM IF rejection ratio | 90 dB |
| FM signal-to-noise ratio (Mono) | 73 dB IHF |
| FM signal-to-noise ratio (Stereo) | 66 dB IHF |
| FM selectivity | 50 dB DIN (±300 kHz, 40 kHz dev.) |
| FM AM suppression ratio | 50 dB |
| FM total harmonic distortion (Mono) | 0.5% |
| FM total harmonic distortion (Stereo) | 0.8% |
| FM frequency response | 30 – 15, 000 Hz (±1.5 dB) |
| FM stereo separation | 40 dB at 1 kHz, 30 dB at 70 – 10, 000 Hz |
| FM output level (U.S. & Canadian models) | 0.5 V |
| FM output level (Other area models) | 0.75 V |
| FM muting level | 17.2 dBf 2.0 µV, 75 Ohms |
AM Specifications| AM tuning range | 530 – 1, 710 kHz, 10 kHz steps |
|---|---|
| AM usable sensitivity | 30 µV |
| AM image rejection ratio | 30 dB |
| AM IF rejection ratio | 40 dB |
| AM signal-to-noise ratio | 40 dB |
| AM total harmonic distortion | 0.8% |
| AM output level | 0.15 V |
General Specifications| Power supply (AC 120 V) | 60 Hz |
|---|---|
| Power supply (AC 230 V) | 50 Hz |
| Power consumption | 9 W |
| Dimensions | 205 × 76 × 279 mm |
| Dimensions (inches) | 8-1/16" × 3" × 11" |
| Weight | 1.7 kg |
| Weight (lbs) | 3.7 lbs. |
Expresses gratitude for purchasing the ONKYO T-405X Stereo Tuner.
Highlights the key functionalities and benefits of the ONKYO T-405X Stereo Tuner.
Provides critical safety instructions and warnings for the safe operation of the appliance.
Details essential precautions for initial setup and use, including care, power, and model-specific advice.
Guides on integrating the T-405X tuner with other ONKYO Separate Collection Series audio components.
Outlines the necessary system connections for enabling the Timer function with an amplifier.
Instructions for operating the tuner using a compatible remote controller, typically supplied with an amplifier.
Explains how to connect the tuner to external audio devices using audio connection cables.
Details the procedures for connecting both FM and AM antennas for optimal radio reception.
Covers automatic (ACCUCLOCK) and manual methods for setting the tuner's clock accurately.
Guides on tuning radio stations, utilizing auto memory, and pre-setting favorite frequencies for quick access.
Instructions for assigning custom names to preset radio stations, displayed instead of frequencies.
Explains how to receive and display Radio Data System (RDS) information, including Program Service Name and Radio Text.
Details how to program the timer for automatic playback or recording of radio programs at specified times.
Describes how to activate the sleep timer to automatically power down the system after a set duration.
Lists all accessories included in the package with the ONKYO T-405X Stereo Tuner.
Offers solutions for common operational issues, covering power, reception, display, and RDS problems.
Provides a quick reference to the tuner's buttons and display indicators with corresponding page numbers.
Details the technical specifications of the FM/AM tuner, power requirements, and physical dimensions.
