![]() There are three basic types of isobaric designs:Īll three basic types can have many variations including venting the rear chamber, loading the front into a bandpass chamber, to date VUE has employed the cone to cone isobaric type with a vented rear chamber. This will in effect make all your speaker enclosures half as big as they would normally be for any particular driver. The modeling for a true isobaric design is essentiality identical to that of standard vented box only you would divide in half the Vas of the driver – the isobaric pair is in effect acting as a single motor with twice the magnetic circuit and moving mass. In the theoretical ideal the air chamber between the drivers should be small enough to virtually be incompressible – the diaphragms would act closely coupled, almost as if coupled together by a lightweight rod. Isobaric loudspeaker enclosure configuration refers to systems with two identical transducers operating simultaneously with a common enclosed air adjoining one side of each transducers diaphragm. Mike Adams early VUE ACM and Isobaric Design Meeting
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