Bass Reflex Port, ADJUSTABLE. Large size.

Large adjustable telescopic reflex port.

These are an excellent item for fine tuning speaker cabinets & allowing you to achieve a tailored bass response to your personal liking; they are also very handy for experimentation when finalising designs or replacing bass units.

These telescopic ports are simple to install & use, an essential item for the loudspeaker hobbyist or builder:

Tube bore: 66mm

Outside diameter: 76mm

Adjustment range: 128-245mm

Flange diameter: 96mm

Cross section area (SV ): 34.2cm square

Engineering drawing: