Patent ID: 7796774

Claim:
A portable amplifier speaker comprising a housing consisting of two sections wherein a first section, the main enclosure, is a rectilinear hollow box having two circular openings said circular openings are exactly diametrically opposed, and a second section is a cylindrical tube, and having means to connect said cylindrical tube to the main enclosure in an airtight manner at one of the main enclosure's two circular openings, said cylindrical tube having evenly spaced ribs on the inner surface and having a slit which traverses the full length of said cylindrical tube; an electronic amplifier and battery power supply each mounted entirely within the main enclosure; a loudspeaker consisting of sections A and B where A is comprised of the loudspeaker frame and diaphragm and where B is comprised of the loudspeaker magnet assembly and where A is mounted at the circular opening of the main enclosure which is opposite to the circular opening of the main enclosure to which said cylindrical tube is connected and where said loudspeaker extends into the cylindrical tube such that A is fully enclosed within the main enclosure and only B is fully enclosed within the cylindrical tube of the housing.