Bomber SUBWOOFER 10″ UPGRADE 350 WRMS 4 OHMS
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 350 WRMS 4 OHMS 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) | 350.0 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 Bomber SUBWOOFER 10″ UPGRADE 350 WRMS 4 OHMS?
A simple ported box is not recommended for Bomber SUBWOOFER 10″ UPGRADE 350 WRMS 4 OHMS: 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 350 WRMS 4 OHMS 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 350 WRMS 4 OHMS 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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