The Optonica CP-2711 is a 3-way loudspeaker produced by Optonica, manufactured in Japan from 1980 to 1982. It features a walnut finish, giving it an appealing aesthetic suitable for various interiors. The speaker measures 270 mm in width, 450 mm in height, and 235 mm in depth, making it a compact option for home audio setups. Weighing in at 10 kg, the CP-2711 delivers impressive sound performance with a maximum power handling of 100 watts. It has a sensitivity rating of 86 dB and a frequency response range of 30 Hz to 23,000 Hz, allowing for a wide spectrum of audible frequencies. The speaker is designed with transitional ranges at 650 Hz and 5,400 Hz, ensuring smooth audio reproduction across different frequency bands. It employs a woofer with a diameter of 20 cm, a midrange driver of 5 cm, and a 2.5 cm dome tweeter. With an impedance of 4 Ohm, the CP-2711 is compatible with a range of audio amplifiers. This model is part of a broader series that includes several other models such as the CP-1717, CP-2311, CP-2323, CP-2511, CP-5100, CP-7100, and CP-9100.
