My (basic) understanding, if correct, is that the cabinet size remains the same as a standard BR (for the chosen driver) but is split in two parts, the driver in the larger cavity (roughly two thirds); both cavities are ported with the third port joining each. Not sure if all ports are the same size/length or how to calculate ..
Looking for any info or designs to understand better and also if their advantages include extra sensitivity or bass extension
thanks
Looking for any info or designs to understand better and also if their advantages include extra sensitivity or bass extension
thanks

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