Vented Specialist

LaVoce LAVWAF12401AF

Best box: 10.4 L bass reflex tuned to 96.5 Hz · F3 98.2 Hz

Predicted SPL response of the LaVoce LAVWAF12401AF in the recommended 10.4 L bass reflex box versus the alternative — open it in the simulator Open and tweak this box live ↗

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⚠️ Engineering Notice for Builders

  • The textbook alignment (10.4 L at 68.9 Hz) would need a 65.6 cm port; the recommendation is retuned to 10.4 L at 96.5 Hz so the port can be built.

Recommended Bass Reflex (Vented)

PORT BUILDABLE
Net Box Volume (Vb) 10.4 Liters
Tuning Frequency (Fb) 96.5 Hz
F3 (-3 dB Cutoff) 98.2 Hz
F6 / F10 Extension 88.3 Hz / 77.7 Hz
Port Inner Diameter Ø 15.0 cm
Port Physical Length 44.0 cm
First Pipe Resonance 391.0 Hz
Estimated MOL @ F3 142.1 dB SPL
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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING
Net Box Volume (Vb) 5.7 Liters
System Q (Qtc) 0.707 (Butterworth)
System Resonance (Fc) 131.1 Hz
F3 (-3 dB Cutoff) 123.8 Hz
F6 / F10 Extension 95.5 Hz / 72.4 Hz
Air Spring Linearity High (Zero port compression)
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Thiele/Small Parameters

Resonance (Fs) 42.0 Hz
Total Q (Qts) 0.22
Electrical Q (Qes) 0.227
Mechanical Q (Qms) 6.72
Equivalent Volume (Vas) 53.4 Liters
Diaphragm Area (Sd) 540.0 cm²
DC Resistance (Re) 5.1 Ω
Efficiency Bandwidth Product (EBP) 184.7
Linear Excursion (Xmax) 9.0 mm
Thermal Power (Pe) N/A W
Nominal Diameter 12.0"
Catalog Source Load Forge catalog (manufacturer datasheets and retailer listings)

Frequently Asked Questions

What is the recommended ported (bass reflex) box volume for LaVoce LAVWAF12401AF?

Load Forge's calculated alignment puts LaVoce LAVWAF12401AF in a 10.4 liter vented enclosure tuned to 96.5 Hz, reaching an F3 cutoff of approximately 98.2 Hz.

Can LaVoce LAVWAF12401AF be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 5.7 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 123.8 Hz.

What port dimensions should be used for LaVoce LAVWAF12401AF to avoid port chuffing?

Sized from cone displacement (Sd × Xmax), a minimum port diameter of 15.0 cm with a length of 44.0 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.

Shareable Acoustic Card for Forums & Social Media

Embed this design card on DIYAudio, AVSForum, Reddit, or Facebook. It shows the calculated F3, MOL (when the power rating is published) and box parameters.

LaVoce LAVWAF12401AF Enclosure Card
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