The MB Quart 720 is a compact 3-way speaker system manufactured by MB Electronic GmbH in Germany, introduced in 1984. It features a closed design optimized for high performance in a smaller footprint. The speaker incorporates a 310 mm woofer, a 50 mm aluminum dome midrange driver, and a 25 mm titanium dome tweeter, which work together to deliver a wide frequency response ranging from 25 Hz to 32 kHz. The system operates at an impedance of 4 Ohms, with a nominal power handling of 130 Watts and a peak handling of 160 Watts. Efficiency is rated at a transitional frequency of 600 Hz for the midrange and 3500 Hz for the tweeter. The dimensions of the MB Quart 720 are 360 mm in width, 680 mm in height, and 360 mm in depth, while it weighs 22 kg. The speaker was originally priced at approximately 1200 DM per unit and is available in various finishes, including Walnut, Oak, Black, and White. An optional stand allows for erectable placement.
