| http://www.w3.org/ns/prov#value | - gether, the result is a signal such that the digital audiosignal SD is converted from digital to analog form.Thus, these signals VLSB to V2SB are power-amplified by output amplifiers 55A to 55P and supplied to the coils 1A to 1P. In this case, the output amplifiers 55A to 55P are formed into feedback amplifiers, as shown in, for example, FIG. 1.More specifically, in the amplifier 55A, an amplifier
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