Accuton AS250-6-552 Aluminium Sub
Best box: 14.8 L bass reflex tuned to 39.4 Hz · F3 46.3 Hz
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Comparable 10.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Accuton AS250-6-552 Aluminium Sub 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 (14.8 L at 35.8 Hz) would need a 117.0 cm port; the recommendation is retuned to 14.8 L at 39.4 Hz so the port can be built.
- Port length (95.3 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) | 14.8 Liters |
| Tuning Frequency (Fb) | 39.4 Hz |
| F3 (-3 dB Cutoff) | 46.3 Hz |
| F6 / F10 Extension | 39.5 Hz / 33.6 Hz |
| Port Inner Diameter | Ø 10.0 cm |
| Port Physical Length | 95.3 cm |
| First Pipe Resonance | 180.0 Hz |
| Estimated MOL @ F3 | 110.3 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 8.7 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 69.6 Hz |
| F3 (-3 dB Cutoff) | 71.6 Hz |
| F6 / F10 Extension | 53.8 Hz / 40.5 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 20.0 Hz |
| Total Q (Qts) | 0.2 |
| Electrical Q (Qes) | 0.222 |
| Mechanical Q (Qms) | 2.0 |
| Equivalent Volume (Vas) | 100.0 Liters |
| Diaphragm Area (Sd) | 350.0 cm² |
| DC Resistance (Re) | 6.0 Ω |
| Efficiency Bandwidth Product (EBP) | 90.0 |
| Linear Excursion (Xmax) | 12.0 mm |
| Thermal Power (Pe) | 400.0 W |
| Nominal Diameter | 10.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Accuton AS250-6-552 Aluminium Sub?
Load Forge's calculated alignment puts Accuton AS250-6-552 Aluminium Sub in a 14.8 liter vented enclosure tuned to 39.4 Hz, reaching an F3 cutoff of approximately 46.3 Hz.
Can Accuton AS250-6-552 Aluminium Sub be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 8.7 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 71.6 Hz.
What port dimensions should be used for Accuton AS250-6-552 Aluminium Sub to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 cm with a length of 95.3 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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