Home-made high-performance four-dimensional surround sound amplifier circuit

Posted on Nov 10, 2015

The surround processing section C1891A is Sony Corporation of Japan launched the four-dimensional

Home-made high-performance four-dimensional surround sound amplifier circuit
Click here to download the full size of the above Circuit.

home theater surround processing circuit parent roll phase shifting circuit matrix surround sound amplifier. Also set up a concert hall, a cinema, three kinds of analog stereo sound field effect mode. Application specific electrical path shown in Figure 10-20 r each function pins as outlined below: , feet to the left and right channel output; , feet to the left and right sound channel input; a feet surround output; a , pin state select pin (connected to + 5v level to change the sound field mode), the use of set circuit CD4017 made one-button selector switch status, and has shade indication dare fruit good; pin effect adjustment ends.

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