| 摘要 |
An apparatus for mounting a pickup on a stringed musical instrument having a soundhole has a pickup housing which is adapted to be disposed in the soundhole of the instrument. An abutment member is connected by a threaded rod and an operator member to the pickup housing. The operator member is mounted on the rod and the abutment member so that operation of the operator member moves the abutment member along the rod into abutting engagement with the instrument when the pickup housing is disposed in the soundhole and the operator member is operated. This can form part of an electromagnetic pickup which defines a first magnetic pole beneath a first plurality of the strings of the instrument and which also defines a second magnetic pole beneath a second plurality of the strings of the instrument, wherein the second plurality is less than the first plurality. This enables a balanced electrically amplified output to be obtained from an instrument having its strings made of different materials (for example, brass or bronze wrapped steel E, A, D and G strings and bare steel B and E strings of a six-string acoustic guitar).
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