One of the advantages of the lot is that these speakers were manufactured in Finland by SALORA Oy under the license of Philips for the local Finnish market. These are acoustic boxes with a size of 380 x 285 x 200 mm, wall thickness is at least 11 mm and the width of damping material against the back panel is 50 mm. Real 2-way chamber speakers with 1-inch high power dome mylar tweeter AD 0160/T8 by Philips and 8-inch high-quality woofer loudspeaker AD 8065/W8 also by Philips. By using the components in these speakers the company managed to create an acoustic system with real high frequency, distinct mid-frequency, and saturated bass. Impedance - 8 Ohms Output power - 20 Watt Frequency range - 22 - 22 000 Hz DIN plugs. The year of manufacture 1969 - 70 The speakers have never been repaired or refurbished.Everything is original as 50 years ago. All pictures are mine and are part of the description.