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Machine for controlling and amplifying a low-level audio signal using a high efficiency class D switching amplifier

  • US 20030095666A1
  • Filed: 05/29/2002
  • Published: 05/22/2003
  • Est. Priority Date: 11/16/2001
  • Status: Abandoned Application
First Claim
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1. A circuit for controlling and amplifying a low level audio signal to an output acoustical transducer, comprising a local controller providing said low level audio signal to a high efficiency Class D switching amplifier connected to a said audio transducer, and a power conditioning section for converting AC or DC input power into DC power at the correct voltage for said amplifier.

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