What is the alarm amplifier
In accordance with the use of different components, amplifier and "bile machine" [tube amplifier], "stone machine" [transistor amplifier], "IC amplifier" [IC amplifier]. In recent years due to new technology, the new concept in the use of the gallbladder, making the tube of this ancient vacuum device and shine, its beautiful voice, so many friends bow down. Senior enthusiasts almost have one. "IC amplifier" because of his voice than the two power amplifier so in the HI-FI amplifier rarely see his shadow.
Power amplifier commonly known as "amplifiers" his role is to sound from the source or pre-amplifier weak signal amplification, to promote the speaker soundproof. A good set of sound system power amplifier contributed to the role.
Dedicated to the alarm power amplifier, such as police cars, ambulances, 119 fire engines used by the amplifier is. These amplifiers are characterized by large power and large distortion. Power supply is mostly DC, a small part of the AC and DC.
