The Toshiba SS-520 is a 3-way loudspeaker manufactured in Japan between 1976 and 1980. It features a bass reflex design, housing a 250 mm cone for bass frequencies, a 100 mm cone for midrange, and a 25 mm dome tweeter for high frequencies. The speaker has dimensions of 340 x 700 x 337 mm and weighs approximately 21 kg. With a nominal power handling of 30 W and a music power handling of 60 W, the SS-520 provides a frequency response spanning from 30 Hz to 20 kHz. It has an impedance of 6 Ohms and an efficiency rating of 91 dB/W/m. The transitional ranges between frequency drivers are set at 800 Hz and 5000 Hz. A special feature of the SS-520 includes level control for mid and high frequencies, allowing for precise sound adjustment. The original price at launch was approximately 598 DM per piece.
