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A loudspeaker enclosure based on the concept was proposed in October 1965 by Dr A.R. Bailey in Wireless World magazine, referencing a production version of an acoustic-line enclosure design from Radford Electronics Ltd. [16] The article postulated that energy from the rear of a driver unit could be essentially absorbed, without damping the cone ...
Examples of transmission line (TL) related technologies include the (mostly obsolete) speaking tube, which transmitted sound to a different location with minimal loss and distortion, wind instruments such as the pipe organ, woodwind and brass which can be modeled in part as transmission lines (although their design also involves generating ...
Its relatively low adoption in commercial speakers can mostly be attributed to the large resulting dimensions of the speaker produced and the expense of manufacturing a rigid tapering tube. The Voigt pipe was designed in 1934 by Paul G. A. H. Voigt and is also referred to as a tapered quarter-wave pipe (TQWP) or tapered quarter-wave tube (TQWT).
AVSnap is a freeware audio/visual system integration and design software, developed and released by Altinex Inc. in 2004. [1] It creates a visual routing diagram of an audio/visual system that is similar to an A/V schematic or a computer network diagram. The software provides a design environment to create audiovisual diagrams and layouts.
Two-inch port tube installed in the top of a Polk S10 speaker cabinet as part of a DIY audio project. This port is flared. Unlike closed-box loudspeakers, which are nearly airtight, a bass reflex system has an opening called a port or vent cut into the cabinet, generally consisting of a pipe or duct (typically circular or rectangular cross section).
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MTX Audio loudspeaker enclosures (with rear panel reflex port tubes) which can mount 15-inch woofers, mid-range drivers and horn and/or compression tweeters. In this photo, only one driver is mounted. A cabinet with loudspeakers mounted in the holes. Number 1 is a mid-range driver.