Accuton AS168-9-470
Best box: 26.2 L bass reflex tuned to 29.2 Hz · F3 29.5 Hz
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Comparable 7.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Accuton AS168-9-470 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) | 26.2 Liters |
| Tuning Frequency (Fb) | 29.2 Hz |
| F3 (-3 dB Cutoff) | 29.5 Hz |
| F6 / F10 Extension | 25.9 Hz / 22.7 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 22.8 cm |
| First Pipe Resonance | 755.0 Hz |
| Estimated MOL @ F3 | 105.2 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 11.5 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 53.8 Hz |
| F3 (-3 dB Cutoff) | 56.0 Hz |
| F6 / F10 Extension | 41.7 Hz / 31.3 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 27.0 Hz |
| Total Q (Qts) | 0.35 |
| Electrical Q (Qes) | 0.381 |
| Mechanical Q (Qms) | 4.35 |
| Equivalent Volume (Vas) | 35.5 Liters |
| Diaphragm Area (Sd) | 161.0 cm² |
| DC Resistance (Re) | 9.0 Ω |
| Efficiency Bandwidth Product (EBP) | 70.9 |
| Linear Excursion (Xmax) | 8.0 mm |
| Thermal Power (Pe) | 250.0 W |
| Nominal Diameter | 7.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Accuton AS168-9-470?
Load Forge's calculated alignment puts Accuton AS168-9-470 in a 26.2 liter vented enclosure tuned to 29.2 Hz, reaching an F3 cutoff of approximately 29.5 Hz.
Can Accuton AS168-9-470 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 11.5 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 56.0 Hz.
What port dimensions should be used for Accuton AS168-9-470 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 22.8 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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