DIY Sounds Free to use

6th order bandpass thai concept

A 6th-order bandpass enclosure for a 6.5" Subwoofer, published by Glenn Mejias.

6th order bandpass thai concept — a 6th-order bandpass speaker box design for a 6.5" Subwoofer
Published 2026-09-23 · 0 likes · 0 comments

About this build

dual hk 6.5 inch subwoofer

Specifications

Driver6.5" Subwoofer
Drivers2
Enclosure6th-order bandpass
Net volume27.0 L
Tuning (rear)60.0 Hz
Tuning (front)110.0 Hz
F356.3 Hz
Peak SPL119.2 dB
External size55.2 × 23.7 × 40.8 cm

Open this design in the calculator

Spin the cabinet, read the curves, and change anything you like — it becomes your own project.

Open in the calculator

Design a box like this one