作者: Douglas James Millar
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摘要: The present invention relates to a portable preamplifier for musical instruments which is particularly useful electric guitars. has body houses an electronic system amplifying and shaping the frequency spectrum of signals from guitar battery supplying power system. A short, shielded input audio cable permanently attached body, electrically coupled input, terminates in phone plug. also provided with output jack. can be physically strap or musician's clothing. When plug inserted into jack instrument jack, amplified spectrally shaped delivered via amplifier/loudspeaker, mixing board, other signal device. Portability allows short while giving musician freedom movement.