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Isobaric loudspeaker in a cone-to-magnet (in-phase) arrangement. The image above shows a sealed enclosure; vented enclosures may also use the isobaric scheme. Two identical loudspeakers are coupled to work together as one unit: they are mounted one behind the other in a casing to define a sealed chamber of air in between them. The volume of ...
The Isobarik is so named as it employs the isobaric loading principle invented by Harry Olson in the 1950s: two bass units are mounted in a sealed container and driven in parallel so as to effectively double the speaker enclosure volume and extend its bass frequency response beyond what would be possible for otherwise identical speakers. Linn ...
At this frequency, the voice coil is vibrating in the speaker's magnetic field with maximum peak-to-peak amplitude and velocity. The back EMF generated by this movement is also at its maximum. The electrical impedance of the speaker varies with the back EMF and thus with the applied frequency.
Speaker enclosures are used in homes in stereo systems, home cinema systems, televisions, boom boxes and many other audio appliances. Small speaker enclosures are used in car stereo systems. Speaker cabinets are key components of a number of commercial applications, including sound reinforcement systems, movie theatre sound systems and ...
A speaker that can handle 200 watts thermally at 200 Hz, may sometimes be damaged by only a few watts at some very low frequency, like 10 Hz. Power handling specifications are usually generated destructively, by long-term industry standard noise signals (IEC 268, for example) that filter out low frequencies and test only the thermal capability ...
The former chief of staff to U.S. Rep. Alexandria Ocasio-Cortez, D-N.Y., announced Wednesday his intention to run against Rep. Nancy Pelosi, D-Calif., calling the Democratic Party "paralyzed and ...
Isobaric heat transfer. The parcel's higher temperature causes it to transfer heat to the plate at constant pressure, cooling the gas. Adiabatic expansion of the gas. The gas is displaced back from the leftmost position to the rightmost position. Due to adiabatic expansion the gas cools to a temperature lower than that of the cold plate.
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