The MB Quart 980 S is a vintage 3-way (version I) and 4-way (version II) floorstanding speaker manufactured by MB Electronic GmbH in Germany between 1984 and 1990. It features high-quality craftsmanship and is available in various finishes including oak, walnut, and various lacquer options such as white and black. The speaker dimensions measure 280 mm in width, 1000 mm in height, and 284 mm in depth, with a total weight of approximately 26 kg. It was originally priced around 3,200 DM. The technical specifications include a power handling of 140 watts nominal and possibly 160 watts for music, with an efficiency rating of 86 dB/1W/1m, and a frequency response spanning from 28 Hz to 32,000 Hz. The crossover frequencies vary between versions, with transitional ranges set at 600/3500 Hz for version I and more complex crossovers for version II at 350/500/3000 Hz. The speakers boast dual woofers, a midrange driver, and a titanium dome tweeter, providing a rich and detailed sound experience.
