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 ...

Hear and Now: “Dismal failure" may be the kindest way to describe quad. To music fans for whom even cassette tapes are a quaint throwback, here's a real obscurity: Quadraphonic sound systems were an ...

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 ...

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 ...

Rediscover the quadraphonic magic of Beaver & Krause and The Modern Jazz Quartet with Rhino’s Quadio Blu-ray reissues—immersive 4-channel mixes from the 1970s, now playable on modern 5.1 systems.