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An active full-range loudspeaker. Powered speakers, also known as self-powered speakers and active speakers, are loudspeakers that have built-in amplifiers.Powered speakers are used in a range of settings, including in sound reinforcement systems (used at live music concerts), both for the main speakers facing the audience and the monitor speakers facing the performers; by DJs performing at ...
Self-propelled may refer to Human-powered transport, humans moving themselves (and their cargo) via their own muscle energy; Machines that power their own movement:
The concept of self-powered dynamic systems. The concept of "self-powered dynamic systems" in the figure is described as follows. I. Input power (e.g. fuel energy powering a vehicle engine or propulsion system), or input excitation (e.g. vibration excitation to a structure) to the system. The source of this input energy can be of renewable ...
Self-propelled artillery (also called locomotive artillery) is artillery equipped with its own propulsion system to move toward its firing position. Within the terminology are the self-propelled gun, self-propelled howitzer , self-propelled mortar , and self-propelled rocket artillery .
An automatic watch, also known as a self-winding watch or simply an automatic, is a mechanical watch where the natural motion of the wearer provides energy to wind the mainspring, making manual winding unnecessary if worn enough. [1]
A power-on self-test (POST) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on. [ 1 ] POST processes may set the initial state of the device from firmware and detect if any hardware components are non-functional.
"Power outages will last weeks to possibly months. Most of the area will be uninhabitable for weeks or months," the hurricane center says of Category 4 storms. A Category 3 storm, while ...
Some Pure Land Buddhists hold that we must abandon all "self power" practices (such as ascetic practices, repentance, various kinds of meditation) and all self effort, and rely only on Amitabha Buddha's other power. Others hold that one's own "self power" becomes linked with the power of the Buddha through "sympathetic resonance" (gǎnyìng ...