Loudspeaker FAQs:

Q: Were loudspeakers invented during the development of telephone systems in the late 1800s?

A: Yes, and but electronic amplification by vacuum tube beginning around 1912 made loudspeakers truly practical.

Q: Is a loudspeaker radiating into an infinitely large space and mounted on an infinite baffle?

A: Yes.

Q: Are loudspeakers the oldest form of loudspeaker system?

A: Yes.

Q: Are loudspeakers separated by a quarter wavelength or less?

A: Yes, low frequencies are affected the most.

Q: Is a loudspeaker known as an active loudspeaker?

A: Yes.

Q: Is a loudspeaker transparent?

A: Yes, and stretchable and flexible.

Q: Are loudspeakers said to be "out of phase" or more properly "out of polarity"?

A: Yes, Given identical signals, motion in one cone is in the opposite direction of the other.

Q: Are loudspeakers perceived?

A: Yes.

Q: Are loudspeakers large by nature?

A: Yes, and the bass rolls off at a frequency corresponding to a quarter wavelength of the narrowest panel dimension.

Q: Were loudspeakers manufactured by Danish engineer Peter L?

A: Yes, Jensen and Edwin Pridham in 1915, in Napa, California.

Q: Was a loudspeaker invented by Oliver Lodge in 1898?

A: Yes.

Q: Are loudspeakers often very fragile—some can be torn by a strong gust of air?

A: Yes.

Q: Is a loudspeaker driven by modulated electric current that pass through a "speaker coil" which then magnetizes the coil?

A: Yes, and creating a magnetic field.

Q: Are loudspeakers found in devices such as radios, televisions, portable audio players, computers, and electronic musical instruments?

A: Yes, Larger loudspeaker systems are used for music, sound reinforcement in theatres and concerts, and in public address systems.

Q: Is a loudspeaker subjected to rough handling?

A: Yes.

Q: Are loudspeakers inefficient transducers?

A: Yes, only about 1% of the electrical energy sent by an amplifier to a typical home loudspeaker is converted to acoustic energy.

Q: Was a loudspeaker connected to?

A: Yes.