This is a stereo audio distributor 1 in / 3 out. The term has developed a bit much, given that it only get the basic diagram of a doc from one of the TL072 manufacturers....
Graphic equalizer based LA3607
Have you collect the equalizer as well? No? Why? Too complicated schemes, too many elements, and complex printed circuit boards? Well, not so bad....
Digital volume control DD1 К555ИЕ7
The Digital volume control circuit has been designed to work with external wired remote has 16 levels of volume-driven volume up button and reset button. DD1 - counter displays 16-bit binary code to control the T shaped voltage divider. DD2 is used as a clock. DD3 inverts the signal from the counter. The regulatory element is made on resistors...
Simple Audio Digital Volume Control
This Simple Audio Digital Volume Control scheme for all its simplicity allows you to adjust the volume with two buttons! Chip - DS1669 0.1 uF capacitor. ...
Digital volume control MAX5440
Digital volume control MAX5440 makes this circuit does not require any special programming knowledge to work, because it works on the principle of "plug and play"....
USB sound card based PCM2702
click to enlarge
Make a USB sound card is easy if you use a chip from the PCM2702 IC BURR BROWN / Texas Instruments in it, you can create a fully functional USB sound card. Sound Card gets power from the USB port and has one stereo output. You do not need to install any drivers for Windows XP and Vista, because they are already inside....
Passive tone control
Discrete, passive tone control circuit above does not violate the integrity and depth of sound image of any High-End Complex. ...
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Sound System Setup / Testing Software
