| 摘要 |
PURPOSE:To provide a sub woofer system from which a low frequency sound is reproduced with higher fidelity. CONSTITUTION:Three speaker units 3a, 3b, 3c whose diameter differs from each other a6 respectively contained in partitions 4a, 4b, 4c of the inside of a speaker box 4 partitioned by partition plates 4d, 4e and plural filters 1a, 1b, 1c and amplifiers 2a, 2b, 2c having corresponding characteristics are connected respectively to the speaker units 3a, 3b, 3c. |
