Abstract
An audio system has a cabinet with several partitions. The partitions divide the interior of the cabinet into compartments. These include an input compartment, an output compartment above the input compartment, an outer compartment to one side of the input and output compartments, and an intermediate compartment between the outer compartment and the input and output compartments. Two tweeters are mounted one above the other in the outer compartment as are two midrange speakers. The outputs of the midrange speakers open into the intermediate compartment while the outputs of the tweeters open to the atmosphere. A woofer or subwoofer is mounted on a partition which borders the input compartment, and the output of the woofer or subwoofer opens into the input compartment. The output compartment is provided with a port, and a pair of pipes connects the input compartment with the output compartment. High-frequency components of the sound emitted by the woofer or subwoofer are largely eliminated by conducting the sound to the output compartment via the pipes.
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