Wavecor WF275BD01_02
Best box: 70.5 L bass reflex tuned to 27.7 Hz · F3 27.6 Hz
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Comparable 9.5" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Wavecor WF275BD01_02 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) | 70.5 Liters |
| Tuning Frequency (Fb) | 27.7 Hz |
| F3 (-3 dB Cutoff) | 27.6 Hz |
| F6 / F10 Extension | 24.3 Hz / 21.3 Hz |
| Port Inner Diameter | Ø 6.8 cm |
| Port Physical Length | 15.3 cm |
| First Pipe Resonance | 1127.0 Hz |
| Estimated MOL @ F3 | 115.3 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 30.7 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 50.4 Hz |
| F3 (-3 dB Cutoff) | 52.4 Hz |
| F6 / F10 Extension | 39.4 Hz / 29.6 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 27.0 Hz |
| Total Q (Qts) | 0.37 |
| Electrical Q (Qes) | 0.382 |
| Mechanical Q (Qms) | 11.6 |
| Equivalent Volume (Vas) | 81.5 Liters |
| Diaphragm Area (Sd) | 312.0 cm² |
| DC Resistance (Re) | 3.1 Ω |
| Efficiency Bandwidth Product (EBP) | 70.6 |
| Linear Excursion (Xmax) | 9.0 mm |
| Thermal Power (Pe) | N/A W |
| Nominal Diameter | 9.5" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Wavecor WF275BD01_02?
Load Forge's calculated alignment puts Wavecor WF275BD01_02 in a 70.5 liter vented enclosure tuned to 27.7 Hz, reaching an F3 cutoff of approximately 27.6 Hz.
Can Wavecor WF275BD01_02 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 30.7 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 52.4 Hz.
What port dimensions should be used for Wavecor WF275BD01_02 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 6.8 cm with a length of 15.3 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
Shareable Acoustic Card for Forums & Social Media
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.
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