SB Audience BIANCO-120B150
Best box: 163.5 L bass reflex tuned to 36.9 Hz · F3 34.4 Hz
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Comparable 12.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the SB Audience BIANCO-120B150 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
- The textbook alignment (163.5 L at 32.1 Hz) would need a 62.7 cm port; the recommendation is retuned to 163.5 L at 36.9 Hz so the port can be built.
- Xmax is not published, so the port size is an empirical estimate (area ≥ 12 in² per ft³ of net volume, minimum by driver size), not a displacement calculation. Check air velocity in Load Forge Studio.
- Large enclosure volume (163.5 L) requires extensive internal matrix bracing to prevent panel resonance.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 163.5 Liters |
| Tuning Frequency (Fb) | 36.9 Hz |
| F3 (-3 dB Cutoff) | 34.4 Hz |
| F6 / F10 Extension | 30.9 Hz / 27.5 Hz |
| Port Inner Diameter ESTIMATED | Ø 23.9 cm |
| Port Physical Length | 43.3 cm |
| First Pipe Resonance | 397.0 Hz |
| Estimated MOL @ F3 | 112.5 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 109.1 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 54.9 Hz |
| F3 (-3 dB Cutoff) | 56.0 Hz |
| F6 / F10 Extension | 42.2 Hz / 31.9 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 41.0 Hz |
| Total Q (Qts) | 0.5 |
| Electrical Q (Qes) | 0.591 |
| Mechanical Q (Qms) | 3.25 |
| Equivalent Volume (Vas) | 109.0 Liters |
| Diaphragm Area (Sd) | 530.0 cm² |
| DC Resistance (Re) | 7.2 Ω |
| Efficiency Bandwidth Product (EBP) | 69.4 |
| Linear Excursion (Xmax) | N/A mm |
| Thermal Power (Pe) | 150.0 W |
| Nominal Diameter | 12.0" |
| 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-120B150?
Load Forge's calculated alignment puts SB Audience BIANCO-120B150 in a 163.5 liter vented enclosure tuned to 36.9 Hz, reaching an F3 cutoff of approximately 34.4 Hz.
Can SB Audience BIANCO-120B150 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 109.1 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 56.0 Hz.
What port dimensions should be used for SB Audience BIANCO-120B150 to avoid port chuffing?
Xmax is not published for SB Audience BIANCO-120B150, so the port is an empirical estimate: a 23.9 cm diameter with a length of 43.3 cm (area at least 12 in² per ft³ of net volume). Check the air velocity at your power level in Load Forge Studio.
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