Speaker Box Tool — BOBO Hifi Tools

BOBO Hifi ToolsSpeaker Box Tool

Free browser-based speaker enclosure calculator — model sealed and ported (bass-reflex) box designs and port tuning. Built by BOBO Hifi, who design and build custom hi-fi speakers.

Fc101.2 Hz

Qtc0.851

AlignmentChebyshev (slight peaking)

Frequency Response

On-axis SPL, simulated estimate

Electrical impedance

Cone excursion

Enclosure

Net internal volume (L)

Driver

Saved driver presets

Re (DC resistance) (Ω)Le (voice-coil inductance) (mH)Bl (force factor) (T·m)Mms (moving mass) (g)Cms (compliance) (µm/N)Rms (mech. resistance) (N·s/m)Sd (diaphragm area) (cm²)

Xmax (peak linear excursion) (mm)

Fs (derived)82.2 Hz

Vas (derived)10.3 L

Qts (derived)0.692

Save / load

Designs auto-save to this browser. Export a file to back one up or move it to another computer.