Versatile Load

Dayton Audio LS12-44

Best box: 84.9 L bass reflex tuned to 25.9 Hz · F3 26.3 Hz

Predicted SPL response of the Dayton Audio LS12-44 in the recommended 84.9 L bass reflex box versus the alternative — open it in the simulator Open and tweak this box live ↗

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Recommended Bass Reflex (Vented)

PORT BUILDABLE
Net Box Volume (Vb) 84.9 Liters
Tuning Frequency (Fb) 25.9 Hz
F3 (-3 dB Cutoff) 26.3 Hz
F6 / F10 Extension 22.2 Hz / 19.6 Hz
Port Inner Diameter Ø 10.0 cm
Port Physical Length 34.2 cm
First Pipe Resonance 503.0 Hz
Estimated MOL @ F3 108.6 dB SPL
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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING
Net Box Volume (Vb) 61.4 Liters
System Q (Qtc) 0.707 (Butterworth)
System Resonance (Fc) 45.8 Hz
F3 (-3 dB Cutoff) 47.4 Hz
F6 / F10 Extension 35.5 Hz / 26.7 Hz
Air Spring Linearity High (Zero port compression)
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Thiele/Small Parameters

Resonance (Fs) 33.7 Hz
Total Q (Qts) 0.51
Electrical Q (Qes) 0.569
Mechanical Q (Qms) 4.95
Equivalent Volume (Vas) 56.6 Liters
Diaphragm Area (Sd) 547.3 cm²
DC Resistance (Re) 7.5 Ω
Efficiency Bandwidth Product (EBP) 59.3
Linear Excursion (Xmax) 10.0 mm
Thermal Power (Pe) 250.0 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 Dayton Audio LS12-44?

Load Forge's calculated alignment puts Dayton Audio LS12-44 in a 84.9 liter vented enclosure tuned to 25.9 Hz, reaching an F3 cutoff of approximately 26.3 Hz.

Can Dayton Audio LS12-44 be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 61.4 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 47.4 Hz.

What port dimensions should be used for Dayton Audio LS12-44 to avoid port chuffing?

Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 cm with a length of 34.2 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.

Dayton Audio LS12-44 Enclosure Card
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