The Dual CL 4050 is a 3-way closed loudspeaker model manufactured around 1981 in St. Georgen, Black Forest, Germany. It features a black exterior and has dimensions of 315 x 500 x 260 mm, with a weight of 10 kg. The loudspeaker comprises a low-frequency driver with a diameter of 20.5 cm, a midrange driver of 10.5 cm, and a 2 cm dome tweeter. Its power handling capability is rated at 50 Watts nominal and 90 Watts music. The efficiency levels are rated at 85.5 dB for 4 ohms and 87 dB for 8 ohms, with a frequency response extending from 40 Hz to 20 kHz. The transition frequency ranges are specified at 900 Hz and 3000 Hz. It supports both 4 and 8 ohm impedances through separate connections. The loudspeaker is equipped with a 6 dB/octave crossover and features a natural resonance frequency of 90 Hz.
