LaVoce SAN184.03
Best box: 183.4 L bass reflex tuned to 33.7 Hz · F3 31.7 Hz
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Comparable 18.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the LaVoce SAN184.03 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 (183.4 L) requires extensive internal matrix bracing to prevent panel resonance.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 183.4 Liters |
| Tuning Frequency (Fb) | 33.7 Hz |
| F3 (-3 dB Cutoff) | 31.7 Hz |
| F6 / F10 Extension | 28.5 Hz / 25.3 Hz |
| Port Inner Diameter | Ø 20.0 cm |
| Port Physical Length | 30.9 cm |
| First Pipe Resonance | 556.0 Hz |
| Estimated MOL @ F3 | 122.3 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 80.0 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 59.6 Hz |
| F3 (-3 dB Cutoff) | 61.9 Hz |
| F6 / F10 Extension | 46.3 Hz / 34.7 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 36.0 Hz |
| Total Q (Qts) | 0.41 |
| Electrical Q (Qes) | 0.442 |
| Mechanical Q (Qms) | 5.64 |
| Equivalent Volume (Vas) | 158.0 Liters |
| Diaphragm Area (Sd) | 1220.0 cm² |
| DC Resistance (Re) | 5.7 Ω |
| Efficiency Bandwidth Product (EBP) | 81.4 |
| Linear Excursion (Xmax) | 12.5 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?
Load Forge's calculated alignment puts LaVoce SAN184.03 in a 183.4 liter vented enclosure tuned to 33.7 Hz, reaching an F3 cutoff of approximately 31.7 Hz.
Can LaVoce SAN184.03 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 80.0 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 61.9 Hz.
What port dimensions should be used for LaVoce SAN184.03 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 20.0 cm with a length of 30.9 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
Shareable Acoustic Card for Forums & Social Media
Embed this design card on DIYAudio, AVSForum, Reddit, or Facebook. It shows the calculated F3, MOL (when the power rating is published) and box parameters.
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