Technics SB-3500

The SB-3500 (also SB-3500K) was a 60-watt linear phase speaker system manufactured by the Technics Corporation of Japan. It has built-in speaker protection circuitry to protect the speakers from excessive input and abnormal signals. It is a 2-way 2-speaker system with 16 cm cone type woofer, and 6 cm tweeter. The dimensions of the cabinet are 50.0 cm × 47.9 cm × 22.0 cm, and mass 10 kg. In this service manual you can get detailed specifications of the crossover circuit diagram, and parts list. If you need to repair your speakers, then this information may be very useful to you.