Versatile Load

Cerwin Vega ST102D

Best box: 63.8 L bass reflex tuned to 29.3 Hz · F3 28.1 Hz

Predicted SPL response of the Cerwin Vega ST102D in the recommended 63.8 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) 63.8 Liters
Tuning Frequency (Fb) 29.3 Hz
F3 (-3 dB Cutoff) 28.1 Hz
F6 / F10 Extension 24.7 Hz / 21.9 Hz
Port Inner Diameter Ø 10.0 cm
Port Physical Length 35.8 cm
First Pipe Resonance 480.0 Hz
Estimated MOL @ F3 110.5 dB SPL
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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING
Net Box Volume (Vb) 36.3 Liters
System Q (Qtc) 0.707 (Butterworth)
System Resonance (Fc) 51.9 Hz
F3 (-3 dB Cutoff) 53.1 Hz
F6 / F10 Extension 40.0 Hz / 30.2 Hz
Air Spring Linearity High (Zero port compression)
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Thiele/Small Parameters

Resonance (Fs) 36.0 Hz
Total Q (Qts) 0.48
Electrical Q (Qes) 0.529
Mechanical Q (Qms) 5.2
Equivalent Volume (Vas) 42.5 Liters
Diaphragm Area (Sd) 350.0 cm²
DC Resistance (Re) 1.8 Ω
Efficiency Bandwidth Product (EBP) 68.1
Linear Excursion (Xmax) 12.0 mm
Thermal Power (Pe) 400.0 W
Nominal Diameter 10.0"
Catalog Source Load Forge catalog (manufacturer datasheets and retailer listings)

Frequently Asked Questions

What is the recommended ported (bass reflex) box volume for Cerwin Vega ST102D?

Load Forge's calculated alignment puts Cerwin Vega ST102D in a 63.8 liter vented enclosure tuned to 29.3 Hz, reaching an F3 cutoff of approximately 28.1 Hz.

Can Cerwin Vega ST102D be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 36.3 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 53.1 Hz.

What port dimensions should be used for Cerwin Vega ST102D to avoid port chuffing?

Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 cm with a length of 35.8 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.

Cerwin Vega ST102D Enclosure Card
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