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 SC-90 II is a loudspeaker that was manufactured in Japan between 1978 and 1980. It features a 3-way closed chassis configuration, which includes a 310 mm cone woofer, a 50 mm dome midrange driver, and a 30 mm dome tweeter. The speaker is built with a walnut finish and has dimensions of 680 x 396 x 335 mm, weighing 21.5 kg. It is designed to handle a nominal power of 70 W and a musical power of 140 W, with an efficiency rating of 92 dB/W/m. The frequency response ranges from 28 Hz to 20,000 Hz with transitional ranges at 400 Hz and 4,000 Hz. The impedance is rated at 4 Ohm, enhancing compatibility with various amplifiers. Notable features of the SC-90 II include a removable front and separate controls for adjusting the tweeter and midrange levels, allowing for customizable sound adjustment to suit individual preferences.

SC-90 II

by Onkyo

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