| 摘要 |
A mono/stereo switching circuit wherein first, second, and third switches operate in circuit which is arranged so that (1) when the first switch is engaged, and the mono/stereo switch is engaged, the signal at a first mono input is provided to both of a pair of left and right output channels; (2) when the second switch is engaged and the mono/stereo switch is not engaged, the signal at a second mono input is provided to both of the pair of left and right output channels; and (3) when the input signal is a stereo signal at the first and second inputs, and either of the first and second switches is engaged, and the mono/stereo switch is engaged, the input signal at the first input terminal is provided at the left channel output while the input signal at the second input terminal is provided at the right channel output.
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