BR 15.34 Art. No. 5214 Enlarge image Bass reflex tube which can be mounted without screws. Technical Data Tube length 14.7 cm Cutout diameter ø 73 mm Surface of opening 34 cm2 Sketch Enlarge image Any questions? Similar Products BR 19.24BR 25.50BR 6.8 Used in / Accessories: ALTO II ALTO III C ATLANTIS MK II CASABLANCA III CASABLANCA MK IV EXPERIENCE V 20 FONTANA STARLET SYMPHONIE VIB 2000 GF ALTO LINE MK II