| 摘要 |
The invention is for the field of entertainment electronics. The technical problem lies in that, although connections of individual audio frequency sources can be established, it is necessary to have headphones or additional connection lines for monitoring during copying in the case of two audio frequency sources not connected to the amplifier. Using this invention, a central location is selected for connecting the individual audio frequency sources, with free choice of the amplifier. The solution lies in that everything is hard-wired, interconnected and interlocked with respect to one another in the connecting circuit as can be seen from the attached drawing. The amplifier is also still freely selectable, that is to say the audio tape recorder or the cassette recorder or the broadcast receiver (radio) or the record player can be connected to the "amplifier" socket. It is now possible to allow the other devices to play via the amplifier by operating the correct switch for this, from S8 to S11. It is also possible to use an amplifier instead of the audio frequency sources listed above. <IMAGE>
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