left loudspeakers. Bass reflex is a home build (and designed) Jensen-Onken type enclosure with rear cut edges. It is loading a modified Cabasse 30BZ18 30cm (=12inches) loudspeaker. On top of the bass reflex is the medium compression driver TAD TD2001 loaded by a home built 4 cells hypex horn. Next of the 4 cells horn is the Onken tweeter OS5000T.