Technics SB-3150

The SB-3150 (also SB-3150K) was an 80-watt speaker system manufactured by the Technics Corporation of Japan. It is a 3-way 3-speaker system with 23 cm cone type woofer, 5.5 cm tweeter, and 1.4 cm super tweeter. The dimensions of the cabinet are 29.2 cm × 55.5 cm × 22.1 cm, and mass 6.7 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.