Ciare CSW7015EVO
Best box: 41.1 L bass reflex tuned to 46.2 Hz · F3 43.4 Hz
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Comparable 15.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Ciare CSW7015EVO 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
- The textbook alignment (41.1 L at 38.5 Hz) would need a 140.3 cm port; the recommendation is retuned to 41.1 L at 46.2 Hz so the port can be built.
- Port length (96.1 cm) exceeds a straight internal run; use an elbow bend, slotted vent or 3D folded duct to fit the enclosure.
Recommended Bass Reflex (Vented)
PORT NEEDS ELBOW / 3D| Net Box Volume (Vb) | 41.1 Liters |
| Tuning Frequency (Fb) | 46.2 Hz |
| F3 (-3 dB Cutoff) | 43.4 Hz |
| F6 / F10 Extension | 39.4 Hz / 35.1 Hz |
| Port Inner Diameter | Ø 20.3 cm |
| Port Physical Length | 96.1 cm |
| First Pipe Resonance | 179.0 Hz |
| Estimated MOL @ F3 | 116.6 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 18.0 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 69.7 Hz |
| F3 (-3 dB Cutoff) | 69.9 Hz |
| F6 / F10 Extension | 53.3 Hz / 40.5 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 42.0 Hz |
| Total Q (Qts) | 0.42 |
| Electrical Q (Qes) | 0.443 |
| Mechanical Q (Qms) | 8.2 |
| Equivalent Volume (Vas) | 33.0 Liters |
| Diaphragm Area (Sd) | 830.0 cm² |
| DC Resistance (Re) | 3.9 Ω |
| Efficiency Bandwidth Product (EBP) | 94.9 |
| Linear Excursion (Xmax) | 23.0 mm |
| Thermal Power (Pe) | 700.0 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 CSW7015EVO?
Load Forge's calculated alignment puts Ciare CSW7015EVO in a 41.1 liter vented enclosure tuned to 46.2 Hz, reaching an F3 cutoff of approximately 43.4 Hz.
Can Ciare CSW7015EVO be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 18.0 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 69.9 Hz.
What port dimensions should be used for Ciare CSW7015EVO to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 20.3 cm with a length of 96.1 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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