Design and Build: The TX-497 sports a sleek design with dimensions of 435mm width, 271mm depth, and 86mm height, weighing in at 3200 grams. It’s available in a titanium and black finish, which adds to its aesthetic appeal. The tuner’s construction is noted for its durability and is part of Yamaha’s esteemed Hi-Fi lineup.

• Tuning Range: It covers VHF from 87.5 to 108 MHz for FM and MW from 531 to 1611 kHz for AM.
• Frequency Response: The tuner offers a frequency response of 30 to 13,000 Hz.
• Sensitivity: It has an input sensitivity of 0.9/24 µV for mono/stereo according to DIN standards.
• Distortion Factor: The total harmonic distortion is 0.2%, ensuring clear and crisp audio output.
• Signal-to-Noise Ratio: It boasts a 76 dB signal-to-noise ratio in stereo (IHF), which contributes to a clean listening experience.
• Channel Separation: The tuner provides 50 dB channel separation.
• Selectivity: FM selectivity is rated at 70 dB (DIN), which helps in distinguishing between closely spaced stations.
• Output Level: The output level is fixed at 500 mV/2.2 kΩ.

• PLL IF Circuit: Utilizes Direct Phase-Locked Loop Intermediate Frequency (PLL IF) Count Synthesizer Tuning for precise frequency locking.
• RDS Compatibility: Supports Radio Data System (RDS) features like Text, EON, and PTY Seek for enhanced listening with additional station information.
• Station Memory: Offers 40 station presets for both AM and FM, with a Multi-Status Station Memory function that saves each station’s optimal settings.
• Auto and Manual Tuning: Includes auto-search tuning and manual tuning options for easy station selection.

This tuner was designed to complement Yamaha’s range of receivers and amplifiers, offering a seamless integration for those expanding their audio systems.