| 摘要 |
A filter device (1) for electrical musical instruments, which device is suitable for being operatively interposed between a musical instrument and an amplifier of that instrument by means of respective connecting means (10, 11) provided on a box-shaped body (2) of the device, in order to modify a sound generated by the instrument, comprises a box-shaped body (2) on which is defined a control portion (15, 15a, 26) provided with a proximity sensor (26) which can be operated by a user of the device to generate a command (23) to modify the sound generated by the instrument, and a circuit (100) for transforming the signal in order to modify the sound and emit to the amplifier a modified sound signal (32), the proximity sensor (26) being operatively connected to the transformation circuit (100) in such a manner that the command (23) constitutes an input into the transformation circuit (100), the box-shaped body (2) comprising, in addition, a bearing portion (13, 13a) suitable for receiving a portion of the body of the user, wherein the bearing portion (13, 13a) and the control portion (15, 15a, 26) are configured in such a manner that respective external surfaces (13a, 15a) suitable for being turned towards a user are almost coplanar with each other. |
