The Onkyo T-9990 is a legendary FM stereo tuner from Onkyo's high-end Integra Series, manufactured between 1987 and 1990. Widely regarded as a masterpiece of RF engineering, it remains a benchmark for long-distance FM reception (DXing). The T-9990 is an absolute powerhouse for pulling in weak, distant radio signals. It features Onkyo’s Automatic Precision Reception (APR) system, which automatically monitors incoming signal characteristics and adjusts the internal settings for the best possible reception. Specifications Type: Mono/Stereo Tuner Tuning Bands: FM Tuning Scale: Digital FM Tuning Range: 87.5 to 108 MHz Sensitivity: 0.8uV (FM) Signal to Noise Ratio: 85dB (FM) Distortion: 0.02% (FM) Selectivity: 80dB (FM) Frequency response: 30Hz to 15kHz (FM) Output: 1500mV Cleaned and tested.