| 摘要 |
"AMPLIFIER AND SOUND REPRODUCTION SYSTEM" There is provided an amplifier for reproducing a major part of the audio-frequency range, wherein an amplifier having a first multi-section filter receives and divides an input signal info at least three signals, each covering only a part of the audio-frequency range, at least three variable output amplifiers receiving respective ones of the divided signals, a combiner for the three outputs to form a composite output, and thereafter feeding a remotely located loudspeaker. |
