Onkyo is a Japanese audio equipment manufacturing company that specializes in home theater systems and audio receivers. They are known for their high-quality sound systems.

Onkyo

The Onkyo TX-7640 is a stereo receiver released in 1989, primarily manufactured in Japan. It features a black color finish and includes a remote control for convenience. With a power consumption of 190 watts, it has a weight of approximately 8.2 kg. At launch, its retail price was around 1000 DM. The receiver is equipped with six inputs and a selection of outputs, catering to various audio needs. It offers a continuous power output of 70 watts per channel at 8 Ohms and 105 watts per channel at 4 Ohms, making it capable of driving a range of loudspeakers. Total harmonic distortion is rated at a low 0.08%, and it offers a frequency response from 20 Hz to 30 kHz, ensuring high-quality sound reproduction across a wide audio spectrum. The receiver features a signal-to-noise ratio of 95 dB for CD and tape input, alongside tone controls for both bass and treble with adjustments of ± 10 dB. Additional functionalities include loudness, subsonic filter, and stereo channel separation capabilities. The tuner supports FM frequencies from 87.5 to 108.0 MHz and AM from 522 to 1611 kHz, with a selectivity of 50 dB (DIN) and channel separation of 45 dB. It supports a simulated stereo mode and has a memory for up to 20 stations. Input sensitivity for FM is rated at 0.9 µV for mono and 23 µV for stereo. Overall, the Onkyo TX-7640 combines solid performance with practical features suitable for a home audio setup.

TX-7640

by Onkyo

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