The MB Quart 450 is a 3-way closed compact speaker that was introduced in 1985. It features a woofer measuring 245 mm, a 37 mm aluminum dome midrange driver, and a 25 mm titanium dome tweeter, providing a broad frequency response from 32 Hz to 32,000 Hz. The speaker is capable of handling a nominal power of 120 Watts, with a music power capacity of up to 150 Watts, and boasts an efficiency rating of 96 dB. The transitional ranges between the components are set at 800 Hz for the midrange and 3500 Hz for the tweeter. With an impedance of 4 Ohms, the Quart 450 is designed to deliver clear and dynamic sound. It is available in multiple finishes including walnut, oak, black, and white, and has dimensions of 320 mm width, 550 mm height, and 320 mm depth, weighing approximately 16 kg. The original price for a pair was around 1800 DM.
