American Bass XFL-1522
Best box: 100.7 L bass reflex tuned to 31.9 Hz · F3 29.0 Hz
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Comparable 15.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the American Bass XFL-1522 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 (100.7 L at 27.7 Hz) would need a 57.8 cm port; the recommendation is retuned to 100.7 L at 31.9 Hz so the port can be built.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 100.7 Liters |
| Tuning Frequency (Fb) | 31.9 Hz |
| F3 (-3 dB Cutoff) | 29.0 Hz |
| F6 / F10 Extension | 26.7 Hz / 24.2 Hz |
| Port Inner Diameter | Ø 15.0 cm |
| Port Physical Length | 41.0 cm |
| First Pipe Resonance | 420.0 Hz |
| Estimated MOL @ F3 | 118.3 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 44.4 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 49.8 Hz |
| F3 (-3 dB Cutoff) | 64.7 Hz |
| F6 / F10 Extension | 44.4 Hz / 31.4 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 30.9 Hz |
| Total Q (Qts) | 0.43 |
| Electrical Q (Qes) | 0.473 |
| Mechanical Q (Qms) | 4.71 |
| Equivalent Volume (Vas) | 75.7 Liters |
| Diaphragm Area (Sd) | 729.7 cm² |
| DC Resistance (Re) | 4.0 Ω |
| Efficiency Bandwidth Product (EBP) | 65.3 |
| Linear Excursion (Xmax) | 17.0 mm |
| Thermal Power (Pe) | 1500.0 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 American Bass XFL-1522?
Load Forge's calculated alignment puts American Bass XFL-1522 in a 100.7 liter vented enclosure tuned to 31.9 Hz, reaching an F3 cutoff of approximately 29.0 Hz.
Can American Bass XFL-1522 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 44.4 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 64.7 Hz.
What port dimensions should be used for American Bass XFL-1522 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 15.0 cm with a length of 41.0 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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