Show Tips Tip s 0 ns n l Tapes Helpful Hints On Recorders And Players Four channel stereo or qua quadraphonic d r aphonic reproduction is a new dimension in recorded record recorded ed music and may be enjoyed on special instruments of both the reel open and cartridge car cartridge types These systems have four channels of or amplification amplification and four speakers as opposed to two used for conventional stereo Specially Specially- recorded four-channel four open open- reel reet tapes and cartridges are available which can capture the acoustical realism of the concert hall |