B&C Speakers B&C 15CXN76 15" Neodymium Coaxial Speaker 80 x 80 Degree
Best box: 94.6 L bass reflex tuned to 50.2 Hz · F3 51.1 Hz
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Comparable 15.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the B&C Speakers B&C 15CXN76 15" Neodymium Coaxial Speaker 80 x 80 Degree 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) | 94.6 Liters |
| Tuning Frequency (Fb) | 50.2 Hz |
| F3 (-3 dB Cutoff) | 51.1 Hz |
| F6 / F10 Extension | 45.2 Hz / 39.3 Hz |
| Port Inner Diameter | Ø 10.0 cm |
| Port Physical Length | 2.7 cm |
| First Pipe Resonance | 6311.0 Hz |
| Estimated MOL @ F3 | 122.9 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 45.3 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 89.3 Hz |
| F3 (-3 dB Cutoff) | 85.0 Hz |
| F6 / F10 Extension | 64.6 Hz / 48.9 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 38.0 Hz |
| Total Q (Qts) | 0.28 |
| Electrical Q (Qes) | 0.294 |
| Mechanical Q (Qms) | 5.8 |
| Equivalent Volume (Vas) | 243.5 Liters |
| Diaphragm Area (Sd) | 855.0 cm² |
| DC Resistance (Re) | 5.1 Ω |
| Efficiency Bandwidth Product (EBP) | 129.2 |
| Linear Excursion (Xmax) | 4.5 mm |
| Thermal Power (Pe) | 800.0 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 B&C Speakers B&C 15CXN76 15" Neodymium Coaxial Speaker 80 x 80 Degree?
Load Forge's calculated alignment puts B&C Speakers B&C 15CXN76 15" Neodymium Coaxial Speaker 80 x 80 Degree in a 94.6 liter vented enclosure tuned to 50.2 Hz, reaching an F3 cutoff of approximately 51.1 Hz.
Can B&C Speakers B&C 15CXN76 15" Neodymium Coaxial Speaker 80 x 80 Degree be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 45.3 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 85.0 Hz.
What port dimensions should be used for B&C Speakers B&C 15CXN76 15" Neodymium Coaxial Speaker 80 x 80 Degree to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 cm with a length of 2.7 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
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