| 摘要 |
PROBLEM TO BE SOLVED: To obtain a pickup which can easily obtain frequency characteristics made uniform over a wide frequency range without deterioration in output level and high-frequency characteristics and to obtain a pickup which visually represents a performance by a player. SOLUTION: The pickup 2 is equipped with at least a magnetized pole piece 1 for taking a music signal out of the vibration of a string of a stringed instrument through electromagnetic induction and a coil wound around the pole piece 1; and the pole piece 1 is made cylindrical having a cavity 11 penetrating the pole piece 1 along the length and a light source for guiding cavity 11 light in. |
