The Nikko NT-990 is a tuner that was manufactured between 1980 and 1982 in Japan. It features a sleek design available in silver, which was a popular aesthetic at the time. With an original price of approximately 320 US dollars, this model is part of a series that includes various integrated amplifiers and preamplifiers. The NT-990 tuner is known for its performance and reliability in receiving radio signals, complementing other audio gear in a home audio setup. It comes with a range of tuning capabilities, making it suitable for different listening preferences.