Homepage Products DIY, speaker technology DIY speaker systems Mechanical components Order no.: 0128660 BR-70TR Order no.: 0128660 BR-70TR Bass-reflex tube, SV=38.4 cm2 Trumpet shape Plastic (ABS) Optimum air flow conditions with minimum interfering noise development continue Login Register About Specifications Downloads About Bass-reflex tube, SV=38.4 cm2 Trumpet shape Plastic (ABS) Optimum air flow conditions with minimum interfering noise development Specifications Inside Ø Ø 67 mm Outside Ø Ø 103 mm Length 139.5 mm Flange Ø Ø 120 mm Area (SV) 38.4 cm2 Material plastic (ABS) Downloads Datasheet G128660Z Services Product & Purchasing Advice +49 421 4865 512 export@monacor.com Technical project management +49 421 4865 512 export@monacor.com Own repair service +49 421 4865 771 support@monacor.com Training at the MONACOR Academy +49 421 4865 701 academy@monacor.com