Acoustic Elegance TD12S-4
Best box: 108.5 L bass reflex tuned to 34.9 Hz · F3 34.7 Hz
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Comparable 12.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Acoustic Elegance TD12S-4 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) | 108.5 Liters |
| Tuning Frequency (Fb) | 34.9 Hz |
| F3 (-3 dB Cutoff) | 34.7 Hz |
| F6 / F10 Extension | 30.7 Hz / 26.9 Hz |
| Port Inner Diameter | Ø 12.5 cm |
| Port Physical Length | 18.9 cm |
| First Pipe Resonance | 910.0 Hz |
| Estimated MOL @ F3 | 116.4 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 48.1 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 62.5 Hz |
| F3 (-3 dB Cutoff) | 64.2 Hz |
| F6 / F10 Extension | 48.0 Hz / 36.0 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 31.5 Hz |
| Total Q (Qts) | 0.34 |
| Electrical Q (Qes) | 0.381 |
| Mechanical Q (Qms) | 3.16 |
| Equivalent Volume (Vas) | 160.0 Liters |
| Diaphragm Area (Sd) | 530.0 cm² |
| DC Resistance (Re) | 3.5 Ω |
| Efficiency Bandwidth Product (EBP) | 82.7 |
| Linear Excursion (Xmax) | 14.0 mm |
| Thermal Power (Pe) | 500.0 W |
| Nominal Diameter | 12.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Acoustic Elegance TD12S-4?
Load Forge's calculated alignment puts Acoustic Elegance TD12S-4 in a 108.5 liter vented enclosure tuned to 34.9 Hz, reaching an F3 cutoff of approximately 34.7 Hz.
Can Acoustic Elegance TD12S-4 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 48.1 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 64.2 Hz.
What port dimensions should be used for Acoustic Elegance TD12S-4 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 12.5 cm with a length of 18.9 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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