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2. Isobaric loudspeaker - Wikipedia

   en.wikipedia.org/wiki/Isobaric_loudspeaker

   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 ...

3. Acoustic suspension - Wikipedia

   en.wikipedia.org/wiki/Acoustic_suspension

   In the 2000s, most subwoofers, bass amplifier cabinets and sound reinforcement system speaker cabinets use bass reflex ports, rather than a sealed-box design, in order to obtain more extended low-frequency response and to get higher sound pressure level (SPL). The speaker enclosure designers and their customers view the risk of increased ...

4. Subwoofer - Wikipedia

   en.wikipedia.org/wiki/Subwoofer

   Subwoofer enclosures come in a variety of designs, including bass reflex (with a port or vent), using a subwoofer and one or more passive radiator speakers in the enclosure, acoustic suspension (sealed enclosure), infinite baffle, horn-loaded, tapped horn, transmission line, bandpass or isobaric designs. Each design has unique trade-offs with ...

5. Loudspeaker enclosure - Wikipedia

   en.wikipedia.org/wiki/Loudspeaker_enclosure

   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.

6. Thiele/Small parameters - Wikipedia

   en.wikipedia.org/wiki/Thiele/Small_parameters

   In 1961, leaning heavily on Novak's work, A. N. Thiele described a series of sealed and vented box "alignments" (i.e., enclosure designs based on electrical filter theory with well-characterized behavior, including frequency response, power handling, cone excursion, etc.) in a publication in an Australian journal. [5]

7. Transmission line loudspeaker - Wikipedia

   en.wikipedia.org/wiki/Transmission_line_loudspeaker

   Acoustic suspension – a method of loudspeaker cabinet design and utilisation that uses one or more loudspeaker drivers mounted in a sealed box or cabinet. Bass reflex – 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. Frequency response; Loudspeaker ...