Ciare Ciare%20FXH15.64W%20EN
Best box: 243.3 L bass reflex tuned to 36.4 Hz · F3 34.1 Hz
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Comparable 15.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Ciare Ciare%20FXH15.64W%20EN 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 (243.3 L) requires extensive internal matrix bracing to prevent panel resonance.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 243.3 Liters |
| Tuning Frequency (Fb) | 36.4 Hz |
| F3 (-3 dB Cutoff) | 34.1 Hz |
| F6 / F10 Extension | 30.8 Hz / 27.4 Hz |
| Port Inner Diameter | Ø 12.5 cm |
| Port Physical Length | 2.5 cm |
| First Pipe Resonance | 6954.0 Hz |
| Estimated MOL @ F3 | 117.2 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 105.9 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 62.4 Hz |
| F3 (-3 dB Cutoff) | 65.5 Hz |
| F6 / F10 Extension | 48.6 Hz / 36.3 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 38.0 Hz |
| Total Q (Qts) | 0.4 |
| Electrical Q (Qes) | 0.419 |
| Mechanical Q (Qms) | 8.9 |
| Equivalent Volume (Vas) | 225.0 Liters |
| Diaphragm Area (Sd) | 855.0 cm² |
| DC Resistance (Re) | 5.7 Ω |
| Efficiency Bandwidth Product (EBP) | 90.7 |
| Linear Excursion (Xmax) | 5.5 mm |
| Thermal Power (Pe) | 280.0 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 Ciare Ciare%20FXH15.64W%20EN?
Load Forge's calculated alignment puts Ciare Ciare%20FXH15.64W%20EN in a 243.3 liter vented enclosure tuned to 36.4 Hz, reaching an F3 cutoff of approximately 34.1 Hz.
Can Ciare Ciare%20FXH15.64W%20EN be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 105.9 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 65.5 Hz.
What port dimensions should be used for Ciare Ciare%20FXH15.64W%20EN to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 12.5 cm with a length of 2.5 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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