The Quadral Platin III is a floorstanding speaker part of the Quadral X-Line series, specifically manufactured around 1998 in West Germany. This speaker employs a 3-way bass reflex design, featuring a dual woofer configuration with two 170 mm woofers for low frequencies, a single 110 mm midrange driver, and a 25 mm tweeter to cover high frequencies. It has a nominal power handling of 120 W and can handle music peaks up to 200 W. With an efficiency rated at 88 dB per 1W at a distance of 1 meter, the Platin III has a frequency response ranging from 30 Hz to 22 kHz, making it capable of producing deep bass as well as crisp highs. Its crossover frequencies are set at 600 Hz and 3000 Hz. The speaker has an impedance that can vary between 4 and 8 Ohms. The dimensions of the Platin III are 900 mm in height, 220 mm in width, and 268 mm in depth, with a weight of approximately 13 kg. Aesthetically, the speaker was offered in silver, black, and beech decor, and originally priced around 1400 DM per pair. The Platin III also features a single rear bass reflex port, differentiating it from similar models like the Quadral Rubin.
