LaVoce SAN184.03-4
Best box: 105.7 L bass reflex tuned to 41.0 Hz · F3 40.8 Hz
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Comparable 18.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the LaVoce SAN184.03-4 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) | 105.7 Liters |
| Tuning Frequency (Fb) | 41.0 Hz |
| F3 (-3 dB Cutoff) | 40.8 Hz |
| F6 / F10 Extension | 36.0 Hz / 31.6 Hz |
| Port Inner Diameter | Ø 20.0 cm |
| Port Physical Length | 38.7 cm |
| First Pipe Resonance | 444.0 Hz |
| Estimated MOL @ F3 | 123.2 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 46.9 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 73.8 Hz |
| F3 (-3 dB Cutoff) | 74.3 Hz |
| F6 / F10 Extension | 56.1 Hz / 42.3 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 37.0 Hz |
| Total Q (Qts) | 0.34 |
| Electrical Q (Qes) | 0.359 |
| Mechanical Q (Qms) | 6.36 |
| Equivalent Volume (Vas) | 155.9 Liters |
| Diaphragm Area (Sd) | 1220.0 cm² |
| DC Resistance (Re) | 3.2 Ω |
| Efficiency Bandwidth Product (EBP) | 103.0 |
| Linear Excursion (Xmax) | 12.1 mm |
| Thermal Power (Pe) | 1500.0 W |
| Nominal Diameter | 18.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for LaVoce SAN184.03-4?
Load Forge's calculated alignment puts LaVoce SAN184.03-4 in a 105.7 liter vented enclosure tuned to 41.0 Hz, reaching an F3 cutoff of approximately 40.8 Hz.
Can LaVoce SAN184.03-4 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 46.9 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 74.3 Hz.
What port dimensions should be used for LaVoce SAN184.03-4 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 20.0 cm with a length of 38.7 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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