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The enclosure or driver must have a small leak so that the internal and external pressures can equalise over time, to compensate for changes in barometric pressure or altitude; the porous nature of paper cones, or an imperfectly sealed enclosure, is normally sufficient to provide this slow pressure equalisation.
Bass reflex enclosure schematic (cross-section). RCA bass reflex shelf stereo speakers.. A bass reflex system (also known as a ported, vented box or reflex port) is a type of loudspeaker enclosure that uses a port (hole) or vent cut into the cabinet and a section of tubing or pipe affixed to the port.
This also minimizes the negative effects of acoustic energy that would otherwise (as with a sealed enclosure) be reflected back to the driver in a sealed cavity. [ 9 ] Transmission line loudspeakers employ this tube-like resonant cavity, with the length set between 1/6 and 1/2 the wavelength of the fundamental resonant frequency of the ...
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"FIFO" stands for first-in, first-out, meaning that the oldest inventory items are recorded as sold first (but this does not necessarily mean that the exact oldest physical object has been tracked and sold). In other words, the cost associated with the inventory that was purchased first is the cost expensed first.
A Delaware judge just overruled a supermajority of shareholders who own Tesla and who voted twice to pay @elonmusk what he’s worth. The court’s decision is wrong, and we’re going to appeal.
"I've seen everybody do it since I was a kid, so I'm like, 'screw it, I'm gonna do it," Brown said this week, via ESPN's Ben Baby. Brown was unaware that he could be subject to a fine from the NFL ...
An accounting period, in bookkeeping, is the period with reference to which management accounts and financial statements are prepared. In management accounting the accounting period varies widely and is determined by management. Monthly accounting periods are common.