Wavecor SW270WA01 10-1/2" Balanced Drive Paper Cone Subwoofer 4 Ohm
Best box: 76.5 L bass reflex tuned to 22.3 Hz · F3 21.6 Hz
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Comparable 10.5" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Wavecor SW270WA01 10-1/2" Balanced Drive Paper Cone Subwoofer 4 Ohm 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) | 76.5 Liters |
| Tuning Frequency (Fb) | 22.3 Hz |
| F3 (-3 dB Cutoff) | 21.6 Hz |
| F6 / F10 Extension | 18.9 Hz / 16.7 Hz |
| Port Inner Diameter | Ø 6.8 cm |
| Port Physical Length | 23.8 cm |
| First Pipe Resonance | 724.0 Hz |
| Estimated MOL @ F3 | 103.7 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 47.1 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 39.8 Hz |
| F3 (-3 dB Cutoff) | 40.4 Hz |
| F6 / F10 Extension | 30.4 Hz / 22.9 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 28.0 Hz |
| Total Q (Qts) | 0.49 |
| Electrical Q (Qes) | 0.522 |
| Mechanical Q (Qms) | 8.1 |
| Equivalent Volume (Vas) | 51.0 Liters |
| Diaphragm Area (Sd) | 312.0 cm² |
| DC Resistance (Re) | 3.2 Ω |
| Efficiency Bandwidth Product (EBP) | 53.7 |
| Linear Excursion (Xmax) | 11.0 mm |
| Thermal Power (Pe) | 150.0 W |
| Nominal Diameter | 10.5" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Wavecor SW270WA01 10-1/2" Balanced Drive Paper Cone Subwoofer 4 Ohm?
Load Forge's calculated alignment puts Wavecor SW270WA01 10-1/2" Balanced Drive Paper Cone Subwoofer 4 Ohm in a 76.5 liter vented enclosure tuned to 22.3 Hz, reaching an F3 cutoff of approximately 21.6 Hz.
Can Wavecor SW270WA01 10-1/2" Balanced Drive Paper Cone Subwoofer 4 Ohm be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 47.1 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 40.4 Hz.
What port dimensions should be used for Wavecor SW270WA01 10-1/2" Balanced Drive Paper Cone Subwoofer 4 Ohm to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 6.8 cm with a length of 23.8 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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