SB Audience BIANCO-15MW500-8
Best box: 184.9 L bass reflex tuned to 37.4 Hz · F3 35.3 Hz
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Comparable 15.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the SB Audience BIANCO-15MW500-8 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
- Large enclosure volume (184.9 L) requires extensive internal matrix bracing to prevent panel resonance.
- Limited linear excursion (Xmax: 3.8 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) | 184.9 Liters |
| Tuning Frequency (Fb) | 37.4 Hz |
| F3 (-3 dB Cutoff) | 35.3 Hz |
| F6 / F10 Extension | 31.7 Hz / 28.1 Hz |
| Port Inner Diameter | Ø 12.5 cm |
| Port Physical Length | 5.3 cm |
| First Pipe Resonance | 3254.0 Hz |
| Estimated MOL @ F3 | 118.7 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 80.5 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 65.0 Hz |
| F3 (-3 dB Cutoff) | 67.1 Hz |
| F6 / F10 Extension | 50.4 Hz / 38.0 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 39.0 Hz |
| Total Q (Qts) | 0.4 |
| Electrical Q (Qes) | 0.409 |
| Mechanical Q (Qms) | 18.1 |
| Equivalent Volume (Vas) | 171.0 Liters |
| Diaphragm Area (Sd) | 907.0 cm² |
| DC Resistance (Re) | 5.3 Ω |
| Efficiency Bandwidth Product (EBP) | 95.3 |
| Linear Excursion (Xmax) | 3.8 mm |
| Thermal Power (Pe) | 500.0 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 SB Audience BIANCO-15MW500-8?
Load Forge's calculated alignment puts SB Audience BIANCO-15MW500-8 in a 184.9 liter vented enclosure tuned to 37.4 Hz, reaching an F3 cutoff of approximately 35.3 Hz.
Can SB Audience BIANCO-15MW500-8 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 80.5 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 67.1 Hz.
What port dimensions should be used for SB Audience BIANCO-15MW500-8 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 12.5 cm with a length of 5.3 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
Shareable Acoustic Card for Forums & Social Media
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