Wavecor WF146WA05 5-3/4" Glass Fiber Cone Mid-Woofer 4 Ohm
Best box: 15.1 L bass reflex tuned to 40.2 Hz · F3 38.6 Hz
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Comparable 5.75" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Wavecor WF146WA05 5-3/4" Glass Fiber Cone Mid-Woofer 4 Ohm does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
⚠️ Engineering Notice for Builders
- Limited linear excursion (Xmax: 3.0 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 15.1 Liters |
| Tuning Frequency (Fb) | 40.2 Hz |
| F3 (-3 dB Cutoff) | 38.6 Hz |
| F6 / F10 Extension | 34.4 Hz / 30.4 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 20.5 cm |
| First Pipe Resonance | 837.0 Hz |
| Estimated MOL @ F3 | 99.3 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 6.6 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 73.0 Hz |
| F3 (-3 dB Cutoff) | 73.7 Hz |
| F6 / F10 Extension | 55.5 Hz / 41.8 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 41.0 Hz |
| Total Q (Qts) | 0.39 |
| Electrical Q (Qes) | 0.409 |
| Mechanical Q (Qms) | 8.2 |
| Equivalent Volume (Vas) | 15.0 Liters |
| Diaphragm Area (Sd) | 93.0 cm² |
| DC Resistance (Re) | 3.2 Ω |
| Efficiency Bandwidth Product (EBP) | 100.1 |
| Linear Excursion (Xmax) | 3.0 mm |
| Thermal Power (Pe) | 55.0 W |
| Nominal Diameter | 5.75" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Wavecor WF146WA05 5-3/4" Glass Fiber Cone Mid-Woofer 4 Ohm?
Load Forge's calculated alignment puts Wavecor WF146WA05 5-3/4" Glass Fiber Cone Mid-Woofer 4 Ohm in a 15.1 liter vented enclosure tuned to 40.2 Hz, reaching an F3 cutoff of approximately 38.6 Hz.
Can Wavecor WF146WA05 5-3/4" Glass Fiber Cone Mid-Woofer 4 Ohm be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 6.6 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 73.7 Hz.
What port dimensions should be used for Wavecor WF146WA05 5-3/4" Glass Fiber Cone Mid-Woofer 4 Ohm to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 20.5 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
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Not sure if WF146WA05 5-3/4" Glass Fiber Cone Mid-Woofer 4 Ohm fits your physical space?
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