Passive Radiator / Folded Port

Fane SOVEREIGN-PRO-10300

Best box: 10.6 L sealed · Fc 122.1 Hz · F3 119.7 Hz

Predicted SPL response of the Fane SOVEREIGN-PRO-10300 in the recommended 10.6 L sealed box versus the alternative — open it in the simulator Open and tweak this box live ↗

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⚠️ Engineering Notice for Builders

  • Straight vent would be 263.1 cm long: not physically buildable as a simple tube. Use a passive radiator, a folded slot port or model a 3D folded duct in Load Forge Studio.

Textbook Bass Reflex — not recommended

PORT NOT BUILDABLE
Net Box Volume (Vb) 23.4 Liters
Tuning Frequency (Fb) 67.9 Hz
F3 (-3 dB Cutoff) 68.3 Hz
F6 / F10 Extension 60.3 Hz / 52.7 Hz
Port Inner Diameter Ø 36.4 cm
Port Physical Length 263.1 cm
First Pipe Resonance 65.0 Hz
Estimated MOL @ F3 116.4 dB SPL
⚠️ Port feasibility: a straight tube would need 263.1 cm and cannot fit in a practical cabinet, and no nearby retune stays buildable without a bass hump. Prefer the sealed alignment, a passive radiator, or a 3D folded duct in Load Forge Studio.
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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING
Net Box Volume (Vb) 10.6 Liters
System Q (Qtc) 0.707 (Butterworth)
System Resonance (Fc) 122.1 Hz
F3 (-3 dB Cutoff) 119.7 Hz
F6 / F10 Extension 91.1 Hz / 68.9 Hz
Air Spring Linearity High (Zero port compression)
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Thiele/Small Parameters

Resonance (Fs) 58.0 Hz
Total Q (Qts) 0.32
Electrical Q (Qes) 0.338
Mechanical Q (Qms) 6.08
Equivalent Volume (Vas) 41.0 Liters
Diaphragm Area (Sd) 378.0 cm²
DC Resistance (Re) 5.7 Ω
Efficiency Bandwidth Product (EBP) 171.7
Linear Excursion (Xmax) 111.0 mm
Thermal Power (Pe) 300.0 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 Fane SOVEREIGN-PRO-10300?

A simple ported box is not recommended for Fane SOVEREIGN-PRO-10300: the textbook alignment (23.4 liters tuned to 67.9 Hz) needs a 263.1 cm port, and no nearby retune stays buildable without a bass hump. A sealed box, a passive radiator or a folded duct is the practical choice.

Can Fane SOVEREIGN-PRO-10300 be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 10.6 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 119.7 Hz.

What port dimensions should be used for Fane SOVEREIGN-PRO-10300 to avoid port chuffing?

A straight 36.4 cm port would need 263.1 cm of length, which does not fit a practical cabinet. Use a passive radiator or a folded/3D duct instead of a straight tube.

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.

Fane SOVEREIGN-PRO-10300 Enclosure Card
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