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Electronic interface preamp a tube in a line audio frequency to supply a subject matter a high frequency, in particular to the multimedia computers destiny
Electronic interface preamp a tube in a line audio frequency to supply a subject matter a high frequency, in particular to the multimedia computers destiny
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机译:电子接口对线路音频中的电子管进行预放大,以向主题提供高频信号,尤其是向多媒体计算机的命运
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摘要
The invention concerns an online low frequency amplifying interface operating in automatic cutting feed, particularly designed for multimedia computers. It concerns a impedance adapting device produced around an electronic tube. It can be arranged between a source transmitting low frequency signals and a receiver. The invention is characterised in that it comprises an low frequency amplifier sub-part having high impedance at the source whereto it is connected, and having a low impedance at the receiver whereto it is connected next. The high voltage power supply of the anodes of the low frequency device is produced by a working high frequency automatic cutting feed regulator feeding a voltage amplifying device. The automatic cutting feed regulator operates in direct current low voltage. The inventive device is particularly designed for sound boards and for sources of hi-fi installations, whether incorporated or not.
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