Vented Specialist

MISCO 203-WF08-04

Best box: 13.8 L bass reflex tuned to 45.0 Hz · F3 43.0 Hz

Predicted SPL response of the MISCO 203-WF08-04 in the recommended 13.8 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) 13.8 Liters
Tuning Frequency (Fb) 45.0 Hz
F3 (-3 dB Cutoff) 43.0 Hz
F6 / F10 Extension 38.3 Hz / 33.9 Hz
Port Inner Diameter Ø 5.0 cm
Port Physical Length 17.5 cm
First Pipe Resonance 984.0 Hz
Estimated MOL @ F3 103.5 dB SPL
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Recommended Sealed (Acoustic Suspension)

MAX TRANSIENT DAMPING
Net Box Volume (Vb) 6.0 Liters
System Q (Qtc) 0.707 (Butterworth)
System Resonance (Fc) 81.9 Hz
F3 (-3 dB Cutoff) 81.5 Hz
F6 / F10 Extension 61.7 Hz / 46.6 Hz
Air Spring Linearity High (Zero port compression)
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Thiele/Small Parameters

Resonance (Fs) 47.0 Hz
Total Q (Qts) 0.4
Electrical Q (Qes) 0.417
Mechanical Q (Qms) 10.03
Equivalent Volume (Vas) 12.8 Liters
Diaphragm Area (Sd) 198.6 cm²
DC Resistance (Re) 6.2 Ω
Efficiency Bandwidth Product (EBP) 112.8
Linear Excursion (Xmax) 5.5 mm
Thermal Power (Pe) 100.0 W
Nominal Diameter 8.0"
Catalog Source Load Forge catalog (manufacturer datasheets and retailer listings)

Frequently Asked Questions

What is the recommended ported (bass reflex) box volume for MISCO 203-WF08-04?

Load Forge's calculated alignment puts MISCO 203-WF08-04 in a 13.8 liter vented enclosure tuned to 45.0 Hz, reaching an F3 cutoff of approximately 43.0 Hz.

Can MISCO 203-WF08-04 be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 6.0 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 81.5 Hz.

What port dimensions should be used for MISCO 203-WF08-04 to avoid port chuffing?

Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 17.5 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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MISCO 203-WF08-04 Enclosure Card
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