单项选择题

Which of the following is the recommended placement of the rear surround speakers in a 5.1 surround installation？（）

A.Directly to the left and right and slightly in front of the listener
B.Directly to the left and right and slightly behind the listener
C.Above and behind the listener
D.Directly behind the listener

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热门试题

单项选择题Ifthespeakersinaninstallationareoutofphase，thismeansthat（）

A.the subwoofer is at the wrong angle.
B.the front and rear speakers are reversed.
C.the polarity of the speakers are reversed.
D.the angle of the speakers are incorrect.

单项选择题WhichofthefollowingcablingwouldbeMOSTcommonlyusedwithdigitalvolumecontrols？（）

A.Unshielded twisted pair
B.RJ-59
C.16/4 solid conductors
D.Speaker Wire

单项选择题Whichofthefollowingisthecorrectsignalflowforananalogmulti-roomaudiosystem？（）

A.Source，Volume Control，Speaker，Amp
B.Source，Amp，Volume Control，Speaker
C.Amp，Source，Volume Control，Speaker
D.Speaker，Amp，Volume Control，Source

单项选择题WhichofthefollowingisthestandardaspectratioforHDTV？（）

A.2.35：1
B.4：3
C.1.33：1
D.1.78：1

单项选择题Whichofthefollowingwouldbetheimpedanceofan8ohmanda4ohmspeakerthatarewiredinparallel？（）

A.2.66 ohms
B.Less than 1 ohm
C.4 ohms
D.12 ohms