The MB Quart 610 S is a 3-way closed, floorstanding speaker manufactured around 1987 in Germany. It features a woofer with a 205 mm cone diaphragm, a midrange driver with a 50 mm supronyl dome, and a 25 mm titanium dome tweeter. The speaker has a nominal power handling of 100 watts and a music power handling of 120 watts. It operates efficiently with a sensitivity of 90 dB and covers a frequency response range from 38 Hz to 32,000 Hz. The crossover frequencies are set at 400 Hz for the woofer to midrange and at 2900 Hz for the midrange to tweeter. With an impedance of 4 Ohm, the MB Quart 610 S is designed to deliver a balanced audio performance across various sound frequencies. It was originally priced at approximately 1600 DM per pair and could be found in several color finishes including black, white, gray, walnut, and oak, with options for additional charges for rosewood, cherry, pine, wenge, mahogany, and raw oak. Dimensions are 265 mm in width, 860 mm in height, and 260 mm in depth, with a weight of 19 kg.
