Technics SB-X500

The SB-X500 (also SB-X500K) was a 130-watt honeycomb disc speaker system manufactured by the Technics Corporation of Japan. It is a 3-way 3-speaker bass-reflex system with 25 cm honeycomb disc woofer, 2.8 cm honeycomb disc tweeter, and 8 cm honeycomb disc midrange. The dimensions of the cabinet are 35.0 cm × 60.6 cm × 32.7 cm, and mass 14 kg. In this service manual you can get detailed specifications of the crossover circuit diagram, and parts list. If your speakers are not working, then this information may be very useful to you.