FaitalPRO 15FH500 15" Neodymium Professional Subwoofer 16 Ohm
Best box: 329.3 L bass reflex tuned to 30.2 Hz · F3 27.7 Hz
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Comparable 15.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the FaitalPRO 15FH500 15" Neodymium Professional Subwoofer 16 Ohm 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 (329.3 L) requires extensive internal matrix bracing to prevent panel resonance.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 329.3 Liters |
| Tuning Frequency (Fb) | 30.2 Hz |
| F3 (-3 dB Cutoff) | 27.7 Hz |
| F6 / F10 Extension | 25.1 Hz / 22.5 Hz |
| Port Inner Diameter | Ø 12.5 cm |
| Port Physical Length | 3.3 cm |
| First Pipe Resonance | 5196.0 Hz |
| Estimated MOL @ F3 | 118.4 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 147.9 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 51.7 Hz |
| F3 (-3 dB Cutoff) | 52.5 Hz |
| F6 / F10 Extension | 39.6 Hz / 29.9 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 35.0 Hz |
| Total Q (Qts) | 0.45 |
| Electrical Q (Qes) | 0.466 |
| Mechanical Q (Qms) | 13.2 |
| Equivalent Volume (Vas) | 217.2 Liters |
| Diaphragm Area (Sd) | 847.0 cm² |
| DC Resistance (Re) | 12.7 Ω |
| Efficiency Bandwidth Product (EBP) | 75.1 |
| Linear Excursion (Xmax) | 9.2 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 FaitalPRO 15FH500 15" Neodymium Professional Subwoofer 16 Ohm?
Load Forge's calculated alignment puts FaitalPRO 15FH500 15" Neodymium Professional Subwoofer 16 Ohm in a 329.3 liter vented enclosure tuned to 30.2 Hz, reaching an F3 cutoff of approximately 27.7 Hz.
Can FaitalPRO 15FH500 15" Neodymium Professional Subwoofer 16 Ohm be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 147.9 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 52.5 Hz.
What port dimensions should be used for FaitalPRO 15FH500 15" Neodymium Professional Subwoofer 16 Ohm to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 12.5 cm with a length of 3.3 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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