Beyma fichas tecnicas-ok.qxp
Best box: 304.5 L bass reflex tuned to 35.5 Hz · F3 33.2 Hz
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Comparable 15.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Beyma fichas tecnicas-ok.qxp 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 (304.5 L) requires extensive internal matrix bracing to prevent panel resonance.
- Limited linear excursion (Xmax: 3.5 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 304.5 Liters |
| Tuning Frequency (Fb) | 35.5 Hz |
| F3 (-3 dB Cutoff) | 33.2 Hz |
| F6 / F10 Extension | 29.6 Hz / 26.3 Hz |
| Port Inner Diameter | Ø 15.0 cm |
| Port Physical Length | 3.1 cm |
| First Pipe Resonance | 5587.0 Hz |
| Estimated MOL @ F3 | 115.8 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 196.7 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 58.8 Hz |
| F3 (-3 dB Cutoff) | 58.2 Hz |
| F6 / F10 Extension | 44.0 Hz / 33.2 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 45.0 Hz |
| Total Q (Qts) | 0.496 |
| Electrical Q (Qes) | 0.519 |
| Mechanical Q (Qms) | 11.4 |
| Equivalent Volume (Vas) | 203.0 Liters |
| Diaphragm Area (Sd) | 880.0 cm² |
| DC Resistance (Re) | 5.68 Ω |
| Efficiency Bandwidth Product (EBP) | 86.8 |
| Linear Excursion (Xmax) | 3.5 mm |
| Thermal Power (Pe) | 300.0 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 Beyma fichas tecnicas-ok.qxp?
Load Forge's calculated alignment puts Beyma fichas tecnicas-ok.qxp in a 304.5 liter vented enclosure tuned to 35.5 Hz, reaching an F3 cutoff of approximately 33.2 Hz.
Can Beyma fichas tecnicas-ok.qxp be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 196.7 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 58.2 Hz.
What port dimensions should be used for Beyma fichas tecnicas-ok.qxp to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 15.0 cm with a length of 3.1 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
Shareable Acoustic Card for Forums & Social Media
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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