Vented Specialist

Bomber MEDIO GRAVE 10″ COPPER RING 600 WATTS RMS 8Ω

Best box: 17.0 L bass reflex tuned to 62.9 Hz · F3 90.3 Hz

Predicted SPL response of the Bomber MEDIO GRAVE 10″ COPPER RING 600 WATTS RMS 8Ω in the recommended 17.0 L bass reflex box versus the alternative — open it in the simulator Open and tweak this box live ↗

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⚠️ Engineering Notice for Builders

  • Limited linear excursion (Xmax: 3.5 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.

Recommended Bass Reflex (Vented)

PORT BUILDABLE
Net Box Volume (Vb) 17.0 Liters
Tuning Frequency (Fb) 62.9 Hz
F3 (-3 dB Cutoff) 90.3 Hz
F6 / F10 Extension 75.6 Hz / 58.6 Hz
Port Inner Diameter Ø 6.8 cm
Port Physical Length 11.3 cm
First Pipe Resonance 1519.0 Hz
Estimated MOL @ F3 117.1 dB SPL
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Sealed (Acoustic Suspension) — compromise

SUITS INFINITE / OPEN BAFFLE

With Qts 0.77 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 1.089; for a flat response this driver is better used on an infinite (IB) or open baffle.

Net Box Volume (Vb) 21.2 Liters
System Q (Qtc) 1.089 (above Butterworth: Qtc cannot fall below Qts (0.77))
System Resonance (Fc) 104.7 Hz
F3 (-3 dB Cutoff) 85.4 Hz
F6 / F10 Extension 71.1 Hz / 57.4 Hz
Air Spring Linearity High (Zero port compression)
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Thiele/Small Parameters

Resonance (Fs) 74.0 Hz
Total Q (Qts) 0.77
Electrical Q (Qes) 0.806
Mechanical Q (Qms) 17.26
Equivalent Volume (Vas) 21.2 Liters
Diaphragm Area (Sd) 353.0 cm²
DC Resistance (Re) 6.38 Ω
Efficiency Bandwidth Product (EBP) 91.8
Linear Excursion (Xmax) 3.5 mm
Thermal Power (Pe) 600.0 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 MEDIO GRAVE 10″ COPPER RING 600 WATTS RMS 8Ω?

Load Forge's calculated alignment puts Bomber MEDIO GRAVE 10″ COPPER RING 600 WATTS RMS 8Ω in a 17.0 liter vented enclosure tuned to 62.9 Hz, reaching an F3 cutoff of approximately 90.3 Hz.

Can Bomber MEDIO GRAVE 10″ COPPER RING 600 WATTS RMS 8Ω be used in a sealed box?

Yes. In a sealed (acoustic suspension) enclosure of 21.2 liters with a Qtc of 1.089 (above Butterworth: Qtc cannot fall below Qts (0.77)), the system exhibits an F3 of 85.4 Hz.

What port dimensions should be used for Bomber MEDIO GRAVE 10″ COPPER RING 600 WATTS RMS 8Ω to avoid port chuffing?

Sized from cone displacement (Sd × Xmax), a minimum port diameter of 6.8 cm with a length of 11.3 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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Bomber MEDIO GRAVE 10″ COPPER RING 600 WATTS RMS 8Ω Enclosure Card
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