Vented Specialist

RCF MB10G251

Best box: 16.3 L bass reflex tuned to 84.3 Hz · F3 90.6 Hz

Predicted SPL response of the RCF MB10G251 in the recommended 16.3 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) 16.3 Liters
Tuning Frequency (Fb) 84.3 Hz
F3 (-3 dB Cutoff) 90.6 Hz
F6 / F10 Extension 77.8 Hz / 66.6 Hz
Port Inner Diameter Ø 12.5 cm
Port Physical Length 22.8 cm
First Pipe Resonance 754.0 Hz
Estimated MOL @ F3 118.4 dB SPL
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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING
Net Box Volume (Vb) 7.2 Liters
System Q (Qtc) 0.707 (Butterworth)
System Resonance (Fc) 149.1 Hz
F3 (-3 dB Cutoff) 151.3 Hz
F6 / F10 Extension 118.5 Hz / 91.4 Hz
Air Spring Linearity High (Zero port compression)
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Thiele/Small Parameters

Resonance (Fs) 76.0 Hz
Total Q (Qts) 0.34
Electrical Q (Qes) 0.355
Mechanical Q (Qms) 8.0
Equivalent Volume (Vas) 24.0 Liters
Diaphragm Area (Sd) 400.0 cm²
DC Resistance (Re) 5.2 Ω
Efficiency Bandwidth Product (EBP) 214.0
Linear Excursion (Xmax) 7.0 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 RCF MB10G251?

Load Forge's calculated alignment puts RCF MB10G251 in a 16.3 liter vented enclosure tuned to 84.3 Hz, reaching an F3 cutoff of approximately 90.6 Hz.

Can RCF MB10G251 be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 7.2 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 151.3 Hz.

What port dimensions should be used for RCF MB10G251 to avoid port chuffing?

Sized from cone displacement (Sd × Xmax), a minimum port diameter of 12.5 cm with a length of 22.8 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.

Shareable Acoustic Card for Forums & Social Media

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RCF MB10G251 Enclosure Card
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