Acustica Beyma 15P1200Nd
Best box: 59.9 L bass reflex tuned to 40.0 Hz · F3 39.8 Hz
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Comparable 15.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Acustica Beyma 15P1200Nd 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) | 59.9 Liters |
| Tuning Frequency (Fb) | 40.0 Hz |
| F3 (-3 dB Cutoff) | 39.8 Hz |
| F6 / F10 Extension | 35.1 Hz / 30.7 Hz |
| Port Inner Diameter | Ø 15.0 cm |
| Port Physical Length | 44.5 cm |
| First Pipe Resonance | 386.0 Hz |
| Estimated MOL @ F3 | 119.4 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 26.3 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 72.7 Hz |
| F3 (-3 dB Cutoff) | 74.1 Hz |
| F6 / F10 Extension | 55.9 Hz / 42.1 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 38.0 Hz |
| Total Q (Qts) | 0.36 |
| Electrical Q (Qes) | 0.399 |
| Mechanical Q (Qms) | 3.7 |
| Equivalent Volume (Vas) | 75.0 Liters |
| Diaphragm Area (Sd) | 855.0 cm² |
| DC Resistance (Re) | 6.8 Ω |
| Efficiency Bandwidth Product (EBP) | 95.3 |
| Linear Excursion (Xmax) | 12.0 mm |
| Thermal Power (Pe) | 1200.0 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 Acustica Beyma 15P1200Nd?
Load Forge's calculated alignment puts Acustica Beyma 15P1200Nd in a 59.9 liter vented enclosure tuned to 40.0 Hz, reaching an F3 cutoff of approximately 39.8 Hz.
Can Acustica Beyma 15P1200Nd be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 26.3 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 74.1 Hz.
What port dimensions should be used for Acustica Beyma 15P1200Nd to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 15.0 cm with a length of 44.5 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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