Beyma BMA10G40
Best box: 23.2 L bass reflex tuned to 55.9 Hz · F3 58.2 Hz
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Comparable 10.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Beyma BMA10G40 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) | 23.2 Liters |
| Tuning Frequency (Fb) | 55.9 Hz |
| F3 (-3 dB Cutoff) | 58.2 Hz |
| F6 / F10 Extension | 50.9 Hz / 44.1 Hz |
| Port Inner Diameter | Ø 10.0 cm |
| Port Physical Length | 25.3 cm |
| First Pipe Resonance | 679.0 Hz |
| Estimated MOL @ F3 | 115.7 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 10.8 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 102.4 Hz |
| F3 (-3 dB Cutoff) | 100.6 Hz |
| F6 / F10 Extension | 76.6 Hz / 57.9 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 45.0 Hz |
| Total Q (Qts) | 0.3 |
| Electrical Q (Qes) | 0.313 |
| Mechanical Q (Qms) | 7.1 |
| Equivalent Volume (Vas) | 49.0 Liters |
| Diaphragm Area (Sd) | 380.0 cm² |
| DC Resistance (Re) | 6.2 Ω |
| Efficiency Bandwidth Product (EBP) | 143.7 |
| Linear Excursion (Xmax) | 7.0 mm |
| Thermal Power (Pe) | 400.0 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 Beyma BMA10G40?
Load Forge's calculated alignment puts Beyma BMA10G40 in a 23.2 liter vented enclosure tuned to 55.9 Hz, reaching an F3 cutoff of approximately 58.2 Hz.
Can Beyma BMA10G40 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 10.8 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 100.6 Hz.
What port dimensions should be used for Beyma BMA10G40 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 cm with a length of 25.3 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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