COMPUTERIZED APPARATUS DEFINING LOUDSPEAKER

Brand Owner Address Description
PORTA-CALC II INSTALLERS, INC. 460 Walker Street Holly Hill FL 321172699 computerized apparatus for defining loudspeaker enclosure parameters;portable calculation 2;II;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. A loudspeaker apparatus is provided with a loudspeaker unit attached to an inner panel. The inner panel of the loudspeaker unit is provided with: an opening to which the loudspeaker unit is attached; a volume unit in which the loudspeaker unit is housed from the opening to form a closed space; and a groove passing through to the volume unit. The loudspeaker unit is housed in the volume unit, and a rear space of the loudspeaker unit in the volume unit is used as an acoustic volume unit of the loudspeaker unit.