Oberton 15B450 / 15B450A / 15B450A2
Best box: 60.6 L bass reflex tuned to 58.4 Hz · F3 60.6 Hz
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Comparable 15.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Oberton 15B450 / 15B450A / 15B450A2 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) | 60.6 Liters |
| Tuning Frequency (Fb) | 58.4 Hz |
| F3 (-3 dB Cutoff) | 60.6 Hz |
| F6 / F10 Extension | 53.2 Hz / 46.2 Hz |
| Port Inner Diameter | Ø 12.5 cm |
| Port Physical Length | 8.9 cm |
| First Pipe Resonance | 1941.0 Hz |
| Estimated MOL @ F3 | 120.9 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 28.7 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 104.0 Hz |
| F3 (-3 dB Cutoff) | 102.5 Hz |
| F6 / F10 Extension | 78.0 Hz / 59.0 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 45.1 Hz |
| Total Q (Qts) | 0.286 |
| Electrical Q (Qes) | 0.295 |
| Mechanical Q (Qms) | 9.6 |
| Equivalent Volume (Vas) | 146.8 Liters |
| Diaphragm Area (Sd) | 829.6 cm² |
| DC Resistance (Re) | 5.32 Ω |
| Efficiency Bandwidth Product (EBP) | 152.9 |
| Linear Excursion (Xmax) | 6.8 mm |
| Thermal Power (Pe) | 450.0 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 15B450 / 15B450A / 15B450A2?
Load Forge's calculated alignment puts Oberton 15B450 / 15B450A / 15B450A2 in a 60.6 liter vented enclosure tuned to 58.4 Hz, reaching an F3 cutoff of approximately 60.6 Hz.
Can Oberton 15B450 / 15B450A / 15B450A2 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 28.7 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 102.5 Hz.
What port dimensions should be used for Oberton 15B450 / 15B450A / 15B450A2 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 12.5 cm with a length of 8.9 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
Shareable Acoustic Card for Forums & Social Media
Embed this design card on DIYAudio, AVSForum, Reddit, or Facebook. It shows the calculated F3, MOL (when the power rating is published) and box parameters.
Not sure if 15B450 / 15B450A / 15B450A2 fits your physical space?
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