The Sansui TU-9900 is a highly acclaimed vintage AM/FM stereo tuner produced between 1974 and 1979, often celebrated as one of the finest tuners of its era. It was designed to complement Sansui’s top amplifiers like the AU-9900 and AU-11000, and is recognized for its technical sophistication, audio performance, and distinctive 1970s industrial design.
The Sansui TU-9900 is more than just a tuner — it’s a showcase of Sansui’s 1970s engineering mastery. With its combination of technical sophistication, robust build, and natural musicality, it remains one of the most respected vintage tuners. A serviced TU-9900, paired with the AU-9900, delivers both collectible value and timeless listening enjoyment.
Sansui TU-9900 Stereo Tuner
The TU-9900 is top of the line tuner that was part of Sansui’s PB (Professional Black) series. Here are some key design details about this model:
- Professional Build: The TU-9900 belongs to Sansui’s “Professional Series,” sharing styling cues and sonic philosophy with their flagship amplifiers (AU-20000, AU-10000, AU-9900).
- Advanced Front-End: It utilizes a 5-gang variable capacitor, three dual-gate MOS FETs, and a transistor in the FM front end for high selectivity and sensitivity, allowing for stable reception even under difficult RF conditions.
- Selectable IF Bandwidth: The tuner offers both wide (for better sound quality) and narrow (for improved selectivity) options for FM IF bandwidth, using different filters depending on the user’s selection.
- Automatic Noise Canceller: This feature automatically blends left and right channels in response to weak signals, reducing noise and improving listening quality regardless of station strength.
- Positive Tuning Mechanism: The oversize tuning knob, heavy flywheel, and smooth mechanical design provide precise manual tuning and tactile satisfaction.