hi this is noor i wnt know the procedure and precations errection for PRESSURE AND DP transmitters? how to take impusle line for level and flow?(water and steam) impulse line sizes? and type of material ? plz give me answer / reffer any website ? to me mail2noor.hyd@gmail.com. 1 Answers.
A specialized speaker, referred to as a subwoofer, is responsible for that deep bass experience. 1  The subwoofer is designed only to reproduce the lowest of audible frequencies. In home theater, this is often referred to as LFE (Low Frequency Effects.
One of the best places to start is a home subwoofer. A home subwoofer has one job â to provide deep and powerful bass. When you go to a movie theater there are usually a handful of extremely large subwoofers under the screen that provide the bass you can feel in your bones.