Speaker design lab

LOUDSPEAKER ENGINEERING TOOL

IWISTAO Speaker Design Lab

Calculate full-range enclosures and explore practical acoustic crossover targets for two-way and three-way loudspeaker systems.

01 / DRIVER

Thiele/Small Parameters

EBP GUIDANCE113Generally favors a vented enclosure
02 / ENCLOSURE

Alignment & Construction

Internal Damping

03 / OUTPUT

Design Results

Recommended Net Volume24.1 LGross build volume: 27.2 L
Tuning Fb43.2 Hz
Predicted F335.7 Hz
Port Length18.2 cm
Internal Dimensions W × H × D20.4 × 45.4 × 29.3 cm
Outside Dimensions W × H × D24.0 × 49.0 × 32.9 cm
DAMPING PLANAcoustic wall lining

Line the rear, top, bottom, and side walls. Keep the driver and port path clear.

TWO-WAY SYSTEM DESIGN

Find the acoustic crossover window.

Target acoustic slope

Woofer

Tweeter

RECOMMENDED ACOUSTIC CROSSOVER2.60 kHzAvailable window: 1.80–4.64 kHz
SAFE OVERLAP

THREE-WAY SYSTEM DESIGN

Match woofer, midrange, and tweeter.

Target acoustic slope

Woofer

Midrange

Tweeter

WOOFER ↔ MIDRANGE780 HzAvailable window: 250 Hz–1.80 kHz
MIDRANGE ↔ TWEETER3.15 kHzAvailable window: 1.80–5.77 kHz

Results are based on classic small-signal models. Verify final dimensions, response, impedance, and phase with physical measurements before production.