Bomber SUBWOOFER 12″ BICHO PAPÃO COMPETIÇÃO 5000 WRMS 2 OHMS
Best box: 55.2 L bass reflex tuned to 37.4 Hz · F3 34.4 Hz
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Comparable 12.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Bomber SUBWOOFER 12″ BICHO PAPÃO COMPETIÇÃO 5000 WRMS 2 OHMS does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
⚠️ Engineering Notice for Builders
- Port length (57.9 cm) exceeds a straight internal run; use an elbow bend, slotted vent or 3D folded duct to fit the enclosure.
Recommended Bass Reflex (Vented)
PORT NEEDS ELBOW / 3D| Net Box Volume (Vb) | 55.2 Liters |
| Tuning Frequency (Fb) | 37.4 Hz |
| F3 (-3 dB Cutoff) | 34.4 Hz |
| F6 / F10 Extension | 31.4 Hz / 28.2 Hz |
| Port Inner Diameter | Ø 15.0 cm |
| Port Physical Length | 57.9 cm |
| First Pipe Resonance | 297.0 Hz |
| Estimated MOL @ F3 | 123.3 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 24.0 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 67.7 Hz |
| F3 (-3 dB Cutoff) | 68.0 Hz |
| F6 / F10 Extension | 49.6 Hz / 36.6 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 39.0 Hz |
| Total Q (Qts) | 0.4 |
| Electrical Q (Qes) | 0.422 |
| Mechanical Q (Qms) | 7.64 |
| Equivalent Volume (Vas) | 51.0 Liters |
| Diaphragm Area (Sd) | 511.0 cm² |
| DC Resistance (Re) | 0.9 Ω |
| Efficiency Bandwidth Product (EBP) | 92.4 |
| Linear Excursion (Xmax) | 18.2 mm |
| Thermal Power (Pe) | 5000.0 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 Bomber SUBWOOFER 12″ BICHO PAPÃO COMPETIÇÃO 5000 WRMS 2 OHMS?
Load Forge's calculated alignment puts Bomber SUBWOOFER 12″ BICHO PAPÃO COMPETIÇÃO 5000 WRMS 2 OHMS in a 55.2 liter vented enclosure tuned to 37.4 Hz, reaching an F3 cutoff of approximately 34.4 Hz.
Can Bomber SUBWOOFER 12″ BICHO PAPÃO COMPETIÇÃO 5000 WRMS 2 OHMS be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 24.0 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 68.0 Hz.
What port dimensions should be used for Bomber SUBWOOFER 12″ BICHO PAPÃO COMPETIÇÃO 5000 WRMS 2 OHMS to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 15.0 cm with a length of 57.9 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
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