LNGR SPKRHIFI. TWO WAYS. HAND-BUILT.
BIOFILTER 130BUILD · V1

DIY aquarium biofilter

130 × 130 × 490 mm, combined surface and low-level intake and a deliberately simple, serviceable filter path.

IDEA
SIMULATION
BUILD
MEASUREMENT
FINAL
Technical placeholder graphic for BIOFILTER 130
Technical project graphic; real build photos will be added to the build log.
StatusBUILD / V1
Outer size130 × 130 × 490 mm
MaterialPVC-U / cladding
Intakesurface + low level
Filtrationfoam + filter floss
DocumentsDXF + PDF

DIY remains DIY outside HiFi

BIOFILTER 130 follows the same documentation structure as the loudspeaker projects. The 130 × 130 × 490 mm service shaft combines surface and low-level intake, mechanical filtration and a serviceable pump chamber.