The Dynaudio P31 is a 3-way aperiodic loudspeaker produced from 1977 to 1979 in Denmark. It features a woofer, midrange driver, and tweeter configuration, with a 210 mm Seas woofer, a 54 mm midrange driver, and a 28 mm tweeter. The speaker has a frequency response of 35 Hz to 30 kHz and handles a power of 70 W nominally and 120 W music. Its efficiency is rated at 92 dB/1 Watt/1 meter, making it suitable for various audio setups. The impedance can vary between 4 to 8 Ohm. The P31 is constructed with a combination of black plastic and brown real wood veneer, and it weighs approximately 13 kg. This model was originally priced around 570 DM per unit.
