The plane wave generated by a secondary source consisting of four speakers is calculated.
The Wall of Sound, which has nothing to do with Phil Spector's, consisted of six hundred and four speakers, channelling twenty-six thofsand watts of power.
In a large hall in the Artilerie at the Arsenale, meanwhile, an installation by the Canadian Janet Cardiff consists of forty speakers playing the individual sung parts of the 16th-century composer Thomas Tallis's "Spem in alium," or "40-part motet," one of the most elaborately "architectural" pieces of music ever written.
The speech signals used in the evaluation were from the English speaking test samples of the ITU-T recommendation P.501 [13] and consisted of four speakers (2 male and 2 female) pronouncing one sentence each.
In this paper, the development and performance of a different kind of source, consisting of two broadband speakers in face-to-face configuration, each with smooth conical enclosure, are presented.
Each adaptation subset is arranged as follows: 175 sentences (selected from Farsdat sentences) are uttered by seven speakers consisting of five male and two female speakers.
The moving crew consisted of three Spanish speakers, and, as they were loading up their van with furniture and bedding, you could almost see the massive vehicle sinking deeper into snow.
The AQUOS Audio basically consists of two front speakers, one center speaker and a 230W subwoofer, which – according to Sharp – boasts the best performance in the industry.
Most surprising is Peter Coffin's "Untitled (Sunshine)," which consists of four loud speakers attached to a tall pole on a grassy hill broadcasting sunny keyboard melodies composed and performed by the jazz musician Bob James.
The 100 consists of four satellite speakers with 0.75-inch tweets, 3-inch drivers, one center channel with 0.75-inch tweets and dual 3-inch mid bass drivers and an 8-inch, 100W sub.
