Music – Instruments
Patent
1983-04-06
1985-10-08
Isen, Forester W.
Music
Instruments
84 116, G10H 300
Patent
active
045452784
ABSTRACT:
To adjust the characteristic sounds produced by electric guitars and other musical instruments, the present apparatus and method provide for varying the resistive loading on the electromagnetic pickups of such instruments. This changes the shape of the peak of the resonance curve caused by the self-resonance of the electromagnetic pickup. A predetermined fixed resistance is maintained in the circuit at all times, such that when a control element is at a certain known position, the output curve from the pickup will be substantially flat and, furthermore, the apparent volume generated by the instrument will not be reduced substantially. To change volume, a volume-control potentiometer is provided. In the preferred form, a single control element not only adjusts the characteristic sounds produced by electric guitars or other musical instruments having electromagnetic pickups, but also provides roll-off of higher frequencies at some desired region within the audio spectrum. In one embodiment, the peak of the resonance curve is shifted along the audio spectrum.
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Cox Roger F.
Gagon Paul R.
Fender Musical Instruments Corporation
Isen Forester W.
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