| 摘要 |
PURPOSE:To obtain desired sound quality by varying the level of intermediate and high frequency range freely by changing the direction of a tweeter cabinet. CONSTITUTION:On the hard board 2 of a rear tray, a speaker grille 3 is arranged, a woofer speaker 4 is fixed to the speaker grille 3, and a tweeter cabinet 6 which has an incorporated tweeter speaker 5 is stored in a recessed part 7 provided to the speaker grille 3. A transfer mechanism consisting of a motor 8, a decelerating mechanism 9, a spur gear 10, a slip mechanism 11, etc., and changing the direction of the cabinet 6 is provided inside of the speaker grille 3. Under the control of a control switch part provided at a distance from a speaker device the direction of the cabinet 6 is changed to control the level of intermediate and high frequency range freely, thus desired sound quality is obtd. |
