Bomber SUBWOOFER 10″ UPGRADE PROFESSIONAL 400 WATTS RMS
Best box: 67.0 L sealed · Fc 39.6 Hz · F3 32.9 Hz
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Comparable 10.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Bomber SUBWOOFER 10″ UPGRADE PROFESSIONAL 400 WATTS RMS does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
Textbook Bass Reflex — not recommended (4.2 dB bass hump)
PORT BUILDABLE| Net Box Volume (Vb) | 53.6 Liters |
| Tuning Frequency (Fb) | 23.8 Hz |
| F3 (-3 dB Cutoff) | 36.2 Hz |
| F6 / F10 Extension | 30.9 Hz / 24.6 Hz |
| Port Inner Diameter | Ø 6.8 cm |
| Port Physical Length | 31.0 cm |
| First Pipe Resonance | 555.0 Hz |
| Estimated MOL @ F3 | 109.4 dB SPL |
Sealed (Acoustic Suspension) — compromise
SUITS INFINITE / OPEN BAFFLEWith Qts 0.91 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 1.287; for a flat response this driver is better used on an infinite (IB) or open baffle.
| Net Box Volume (Vb) | 67.0 Liters |
| System Q (Qtc) | 1.287 (above Butterworth: Qtc cannot fall below Qts (0.91)) |
| System Resonance (Fc) | 39.6 Hz |
| F3 (-3 dB Cutoff) | 32.9 Hz |
| F6 / F10 Extension | 28.0 Hz / 23.0 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 28.0 Hz |
| Total Q (Qts) | 0.91 |
| Electrical Q (Qes) | 1.161 |
| Mechanical Q (Qms) | 4.21 |
| Equivalent Volume (Vas) | 67.0 Liters |
| Diaphragm Area (Sd) | 366.0 cm² |
| DC Resistance (Re) | 3.33 Ω |
| Efficiency Bandwidth Product (EBP) | 24.1 |
| Linear Excursion (Xmax) | 9.5 mm |
| Thermal Power (Pe) | N/A 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 Bomber SUBWOOFER 10″ UPGRADE PROFESSIONAL 400 WATTS RMS?
A simple ported box is not recommended for Bomber SUBWOOFER 10″ UPGRADE PROFESSIONAL 400 WATTS RMS: the textbook alignment (53.6 liters tuned to 23.8 Hz) needs a 31.0 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 Bomber SUBWOOFER 10″ UPGRADE PROFESSIONAL 400 WATTS RMS be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 67.0 liters with a Qtc of 1.287 (above Butterworth: Qtc cannot fall below Qts (0.91)), the system exhibits an F3 of 32.9 Hz.
What port dimensions should be used for Bomber SUBWOOFER 10″ UPGRADE PROFESSIONAL 400 WATTS RMS to avoid port chuffing?
A straight 6.8 cm port would need 31.0 cm of length, which does not fit a practical cabinet. Use a passive radiator or a folded/3D duct instead of a straight tube.
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