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Bi-wiring is a means of connecting a loudspeaker to an audio amplifier, primarily used in hi-fi systems. Normally, there is one pair of connectors on a loudspeaker and a single cable (two conductors) runs from the amplifier output to the terminals at the loudspeaker housing.
Tri-amping is the practice of connecting three channels of amplification to a loudspeaker unit: one to power the bass driver , one to power the mid-range and the third to power the treble driver . The terms derive from the prefix bi- meaning 'two', tri- meaning 'three', and amp the abbreviation for amplifier .
Broadband over power lines (BPL) is a method of power-line communication (PLC) that allows relatively high-speed digital data transmission over public electric power distribution wiring. BPL uses higher frequencies, a wider frequency range, and different technologies compared to other forms of power-line communications to provide high-rate ...
Overhead power lines are often equipped with a ground conductor (shield wire, static wire, or overhead earth wire). The ground conductor is usually grounded (earthed) at the top of the supporting structure, to minimize the likelihood of direct lightning strikes to the phase conductors. [ 18 ]
In a typical bi/tri/whatever speaker system, typically a device known as an active crossover sits between the line-level source of each amplifier, taking the full bandwidth line level signal from say a mixing console, as an input and outputting multiple line level signals for input to each of the amplifier/speaker systems.
Bill Gates wants to build more high-voltage power lines. It’s the best way to support high electricity demand, he says. But there's a big problem.
SNCF Class B 81500, an example of an electro-diesel multiple unit. An electro-diesel multiple unit (EDMU) or bi-mode multiple unit (BMU) is a form of a multiple unit train that can be powered either by electric power picked up from the overhead lines or third rail (like an electric multiple unit – EMU) or by using an onboard diesel engine, driving an electric generator, which produces ...
Created Date: 8/30/2012 4:52:52 PM