Hitachi HS-M2

The HS-M2 (also written HS M2) was a closed book-shelf type loudspeaker system manufactured by the Hitachi Corporation in 1979. It was a 50-watt (music power) speaker system with 12 cm woofer and 5 cm tweeter. The cabinet dimensions are 29.0 cm × 14.6 cm × 16.0 cm, and mass 2.8 kg. In this service manual you can get detailed specifications of the crossover circuit diagram, and parts list.