Bomber SUBWOOFER 12″ BICHO PAPÃO 800 WRMS 4 OHMS
Best box: 54.5 L bass reflex tuned to 29.8 Hz · F3 29.7 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 800 WRMS 4 OHMS does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 54.5 Liters |
| Tuning Frequency (Fb) | 29.8 Hz |
| F3 (-3 dB Cutoff) | 29.7 Hz |
| F6 / F10 Extension | 26.1 Hz / 22.9 Hz |
| Port Inner Diameter | Ø 10.0 cm |
| Port Physical Length | 41.5 cm |
| First Pipe Resonance | 415.0 Hz |
| Estimated MOL @ F3 | 113.6 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 23.8 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 54.5 Hz |
| F3 (-3 dB Cutoff) | 56.1 Hz |
| F6 / F10 Extension | 42.2 Hz / 31.8 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 29.0 Hz |
| Total Q (Qts) | 0.37 |
| Electrical Q (Qes) | 0.396 |
| Mechanical Q (Qms) | 5.71 |
| Equivalent Volume (Vas) | 63.0 Liters |
| Diaphragm Area (Sd) | 487.0 cm² |
| DC Resistance (Re) | 2.95 Ω |
| Efficiency Bandwidth Product (EBP) | 73.3 |
| Linear Excursion (Xmax) | 13.0 mm |
| Thermal Power (Pe) | 800.0 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 800 WRMS 4 OHMS?
Load Forge's calculated alignment puts Bomber SUBWOOFER 12″ BICHO PAPÃO 800 WRMS 4 OHMS in a 54.5 liter vented enclosure tuned to 29.8 Hz, reaching an F3 cutoff of approximately 29.7 Hz.
Can Bomber SUBWOOFER 12″ BICHO PAPÃO 800 WRMS 4 OHMS be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 23.8 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 56.1 Hz.
What port dimensions should be used for Bomber SUBWOOFER 12″ BICHO PAPÃO 800 WRMS 4 OHMS to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 cm with a length of 41.5 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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