Madrid economic, cultural, industrial, educational, and technological centre on the European continent. Madrid lies on the southern Meseta Central, 60 km south of the Guadarrama mountain range and straddling the Jarama and Manzanares river sub-drainage basins, in the wider Tagus River catchment area. There is a considerable difference in altitude within city limits ranging from in the Manzanares riverbanks in the southeast of the municipality to above sea level in the highest part of the Fuencarral-El Pardo district. Over a quarter of the Madrid municipal area is covered by the largely forested protected area of El Pardo. Madrid has an inland
Speaker stands Speaker stands Speaker stands are stands on which loudspeakers are placed with the aim of improving the quality of sound from the speaker. In the 1970s musicians and high fidelity enthusiasts found that lifting speakers off the ground and mounting them on something with no vibration increased sound quality. Ordinary domestic furniture was not built with the properties that would deaden vibrations and so enhance the speaker's sound. Speaker stands, therefore were purpose-built to remove any deleterious colourations that came about through unwanted vibration. Further research has shown that speakers are best positioned so that the tweeter is level with