When Austin band …And You Will Know Us by the Trail of Dead began experimenting with the quadraphonic format to mix its eleventh album, XI: Bleed Here Now, members Conrad Keely and Jason Reece ...

Quadraphonic is back. And it sounds even better. For readers of more tender years let me explain that quadraphonic was the first surround sound system that got a major shove from manufacturers and ...

The circuit was designed using a four channel amplifier to produce quadraphonic sound: right front, left front, right rear, and left rear Quadraphonic – a sound production term wherein it uses four ...

A four-speaker surround sound system introduced in the 1970s that never caught on, primarily because of the recording technologies available at that time. Quadraphonic sound used two front and two ...

The Gadgets: Panasonic’s SL-850 quadraphonic turntable, featuring the unusual 4.0 discrete-channel format for stereo-besting sound. (As the brochure says, “In the real world, sound comes from ...