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 D-502 A is a bookshelf speaker system that was released in October 1993, targeting precision in three-dimensional acoustic localization and an excellent sound image. The speaker features a 20 cm cone type woofer that adopts an advanced bipolar cone diaphragm, which aims to achieve smooth roll-off characteristics with reduced peaks and dips in sound. For high frequencies, it utilizes a 2.5 cm soft dome tweeter made from pure silk fabric, enhanced with a unique coating technology. The construction also includes high-purity oxygen-free copper for the voice coils, which significantly improves the transmission of dynamic music signals compared to conventional tough pitch copper. The cabinet design integrates an acoustic stabilizer for robust low-frequency reproduction, and it is built with an MDCT magnetic circuit to mitigate non-linear strain. Additionally, the speaker includes gold-plated brass scraping terminals suitable for banana plugs. The specifications highlight a playback frequency range from 32 Hz to 35 kHz, a maximum input power of 150W, an impedance of 6 ohms, and a crossover frequency set at 2800 Hz. The external dimensions of the speaker are 278 mm in width, 469 mm in height, and 338 mm in depth, with a weight of 16 kg and an internal cabinet volume of 26 liters.

D-502 A

by Onkyo

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