Germany

Quadral is a company that specializes in the design and manufacturing of high-fidelity loudspeakers and audio equipment. The brand is recognized for its commitment to audio performance, innovation, and the quality of its products, which cater to a wide range of audio enthusiasts and professionals. Quadral offers a variety of products, including floorstanding speakers, bookshelf speakers, subwoofers, and home cinema systems, all designed with the aim of reproducing sound as faithfully as possible.

Quadral

The Quadral Rubin III is a floorstanding loudspeaker released around the early 1990s, designed for high-fidelity audio reproduction. The speaker features a 4-way bass reflex design that includes dual rear bass reflex ports, providing enhanced low-frequency performance. Its construction consists of separate chambers for the bass driver and the bass-midrange driver, optimizing sound dispersion and clarity. The Rubin III has a robust build, measuring 900 mm in height, 220 mm in width, and 288 mm in depth, with a weight of approximately 15 kg. It came in a black and agate gray finish. The speaker's driver configuration includes a 170 mm bass driver, a 170 mm bass-midrange driver, a 110 mm midrange driver, and a 25 mm tweeter. With a nominal power handling of 120 watts and a peak power capacity of 200 watts, it has an efficiency rating of 89.5 dB/1W/1m. The frequency response ranges from 30 Hz to 22 kHz, making it suitable for a wide variety of music genres, particularly acoustic and classical music. The transitional frequencies are set at 150 Hz, 800 Hz, and 2,800 Hz, with a nominal impedance of 4 to 8 Ohms. Audiophiles praise the Rubin III for its natural and detailed sound reproduction, making it an excellent choice for discerning listeners.

Rubin III

by Quadral

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