LaVoce FBASS08-18
Best box: 25.6 L bass reflex tuned to 50.8 Hz · F3 48.0 Hz
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Comparable 8.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the LaVoce FBASS08-18 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) | 25.6 Liters |
| Tuning Frequency (Fb) | 50.8 Hz |
| F3 (-3 dB Cutoff) | 48.0 Hz |
| F6 / F10 Extension | 43.0 Hz / 38.1 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 5.3 cm |
| First Pipe Resonance | 3225.0 Hz |
| Estimated MOL @ F3 | 109.2 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 11.1 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 90.9 Hz |
| F3 (-3 dB Cutoff) | 90.4 Hz |
| F6 / F10 Extension | 68.6 Hz / 51.8 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 53.0 Hz |
| Total Q (Qts) | 0.4 |
| Electrical Q (Qes) | 0.425 |
| Mechanical Q (Qms) | 6.89 |
| Equivalent Volume (Vas) | 23.6 Liters |
| Diaphragm Area (Sd) | 235.1 cm² |
| DC Resistance (Re) | 5.6 Ω |
| Efficiency Bandwidth Product (EBP) | 124.8 |
| Linear Excursion (Xmax) | 4.5 mm |
| Thermal Power (Pe) | 150.0 W |
| Nominal Diameter | 8.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for LaVoce FBASS08-18?
Load Forge's calculated alignment puts LaVoce FBASS08-18 in a 25.6 liter vented enclosure tuned to 50.8 Hz, reaching an F3 cutoff of approximately 48.0 Hz.
Can LaVoce FBASS08-18 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 11.1 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 90.4 Hz.
What port dimensions should be used for LaVoce FBASS08-18 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 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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