Abstract: A bobbin for a pickup including a base and a top or cover spaced and connected by a post structure integral thereto. The post structure has one or more cavities for receiving one or more pole pieces. The post structure includes a plurality of lateral windows so that the one or more pole pieces in the one or more cavities would be immediately adjacent windings of one or more coils to be wound on the bobbin.

Abstract: A stringed musical instrument having a pickup system including at least one dual coil pickup, each coil having first and second end terminals and at least one tap to a portion of the coil between the first and second end terminals. A first or mode switch selectively connects first and second output terminals of a pickup circuit to (a) the first end terminals of both coils, (b) the first and a second end terminals of one of the coils, and (c) the at least one tap of both coils. Selection (c) allows for a selection of less than two full coils. The musical instrument includes additional pickups and a second or pickup selector switch to selectively connect the pickups and the first switch to the first output terminal of the pickup circuit.

Abstract: A bobbin for a pickup including a base and a top or cover spaced and connected by a post structure integral thereto. The post structure has one or more cavities for receiving one or more pole pieces. The post structure includes a plurality of lateral windows so that the one or more pole pieces in the one or more cavities would be immediately adjacent windings of one or more coils to be wound on the bobbin.

Abstract: A signal processing circuit, for each string of a musical instrument which string is individually tuned to a frequency, includes a transducer adjacent to the string and an equalizer connected to an output circuit. To emulate an acoustic instrument, the equalizer is set to emphasize a signal present in a frequency range of the tuned frequency of the string and/or its harmonics. It also de-emphasizes at least low end frequencies below the operating range of the string. A mid-range frequency device is provided in the equalizer to produce characteristic mid-range response for a specific acoustic instrument. If the transducer produces an inherent resonance at a characteristic frequency, the equalizer will also de-emphasize the inherent resonance produced by the transducer at the characteristic frequency of the transducer.