Speaker system for musical instruments
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United States of America Patent
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Mar 22, 2011
Grant Date -
Apr 5, 2007
app pub date -
Sep 19, 2006
filing date -
Sep 20, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A speaker system for a musical instrument that detects the displacement of a voice coil of a speaker and provides feedback processing. The speaker system has a preamp that alters the frequency characteristics of the an electrical signal that has been input to an input terminal, and a power amplifier that amplifies the electrical signal. A speaker is driven by the power amplifier and a feedback unit detects the displacement of the speaker and provides a feedback signal to the power amplifier. The power amplifier amplifies the electrical signal in conformance with the output of the preamp and the feedback signal.
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