Oberton 15NMB600
Best box: 14.4 L bass reflex tuned to 87.6 Hz · F3 111.7 Hz
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Comparable 15.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Oberton 15NMB600 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) | 14.4 Liters |
| Tuning Frequency (Fb) | 87.6 Hz |
| F3 (-3 dB Cutoff) | 111.7 Hz |
| F6 / F10 Extension | 93.2 Hz / 78.0 Hz |
| Port Inner Diameter | Ø 15.0 cm |
| Port Physical Length | 37.2 cm |
| First Pipe Resonance | 462.0 Hz |
| Estimated MOL @ F3 | 123.4 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 9.4 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 164.9 Hz |
| F3 (-3 dB Cutoff) | 140.2 Hz |
| F6 / F10 Extension | 110.8 Hz / 85.0 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 43.2 Hz |
| Total Q (Qts) | 0.174 |
| Electrical Q (Qes) | 0.178 |
| Mechanical Q (Qms) | 7.22 |
| Equivalent Volume (Vas) | 145.2 Liters |
| Diaphragm Area (Sd) | 830.0 cm² |
| DC Resistance (Re) | 5.49 Ω |
| Efficiency Bandwidth Product (EBP) | 242.6 |
| Linear Excursion (Xmax) | 5.2 mm |
| Thermal Power (Pe) | 600.0 W |
| Nominal Diameter | 15.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Oberton 15NMB600?
Load Forge's calculated alignment puts Oberton 15NMB600 in a 14.4 liter vented enclosure tuned to 87.6 Hz, reaching an F3 cutoff of approximately 111.7 Hz.
Can Oberton 15NMB600 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 9.4 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 140.2 Hz.
What port dimensions should be used for Oberton 15NMB600 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 15.0 cm with a length of 37.2 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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