PowerBass S-10T
Best box: 14.7 L bass reflex tuned to 34.5 Hz · F3 48.7 Hz
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Comparable 10.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the PowerBass S-10T 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
- Port length (57.4 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) | 14.7 Liters |
| Tuning Frequency (Fb) | 34.5 Hz |
| F3 (-3 dB Cutoff) | 48.7 Hz |
| F6 / F10 Extension | 39.7 Hz / 30.4 Hz |
| Port Inner Diameter | Ø 6.8 cm |
| Port Physical Length | 57.4 cm |
| First Pipe Resonance | 300.0 Hz |
| Estimated MOL @ F3 | 107.5 dB SPL |
Sealed (Acoustic Suspension) — compromise
SUITS INFINITE / OPEN BAFFLEWith Qts 0.653 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 0.923; for a flat response this driver is better used on an infinite (IB) or open baffle.
| Net Box Volume (Vb) | 18.4 Liters |
| System Q (Qtc) | 0.923 (above Butterworth) |
| System Resonance (Fc) | 57.4 Hz |
| F3 (-3 dB Cutoff) | 49.5 Hz |
| F6 / F10 Extension | 40.1 Hz / 31.7 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 40.6 Hz |
| Total Q (Qts) | 0.653 |
| Electrical Q (Qes) | 0.808 |
| Mechanical Q (Qms) | 3.4 |
| Equivalent Volume (Vas) | 18.4 Liters |
| Diaphragm Area (Sd) | 363.0 cm² |
| DC Resistance (Re) | 3.2 Ω |
| Efficiency Bandwidth Product (EBP) | 50.2 |
| Linear Excursion (Xmax) | 6.8 mm |
| Thermal Power (Pe) | 275.0 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 PowerBass S-10T?
Load Forge's calculated alignment puts PowerBass S-10T in a 14.7 liter vented enclosure tuned to 34.5 Hz, reaching an F3 cutoff of approximately 48.7 Hz.
Can PowerBass S-10T be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 18.4 liters with a Qtc of 0.923 (above Butterworth), the system exhibits an F3 of 49.5 Hz.
What port dimensions should be used for PowerBass S-10T to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 6.8 cm with a length of 57.4 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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