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Visaton Bass Reflex Tube BR 6.8

Part number: 5212

A screwless bass-reflex tube for a vented loudspeaker enclosure.

Tube length
6.5 cm
Cut-out diameter
35 mm
Opening area
8 cm²
Form
Straight
Application
Bass-reflex enclosure
Manufacturer reference
5212
£2.95 Business price, ex VAT £3.54 inc VAT at 20%
Maximum quantity available reached.

Description

This port has a tube length of 6.5 cm, an opening area of 8 cm² and a cabinet cut-out of 35 mm. Use these dimensions with the intended enclosure volume and tuning; port size alone does not determine the bass response.

Typical applications

  • Vented DIY loudspeaker cabinets
  • Replacement of a port with matching dimensions and tuning
Full specifications
BR 6.8
Tube length6.5 cm
Cut-out diameter35 mm
Opening area8 cm²
FormStraight
ApplicationBass-reflex enclosure
Manufacturer reference5212
Dimensions and drawings
BR 6.8 — Mounting drawing

Mounting drawing · Open original image

Installation and cabinet guidance

Follow the cabinet plan or calculate the tuning for the chosen driver and net enclosure volume. Allow clear space around both port ends.

Check the original drawing and panel fit before cutting. A change in effective port length or area changes the enclosure tuning.

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