Q10U1A1D2R1A1P3H4O1N1I1E1S1
28 points
QUADRAPHONIES is validvalid
QUADRAPHONY, use of four transmission channels [n]
QUADRAPHONY, a system of sound transmission using four speakers, also QUADRAPHONICS, QUADRIPHONICS, QUADROPHONICS, QUADROPHONY [n]
QUADRAPHONY, use of four transmission channels [n]
QUADRAPHONY, a system of sound transmission using four speakers, also QUADRAPHONICS, QUADRIPHONICS, QUADROPHONICS, QUADROPHONY [n]