ZTZ Audio TN-12TX300
Best box: 15.5 L bass reflex tuned to 80.4 Hz · F3 84.1 Hz
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Comparable 12.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the ZTZ Audio TN-12TX300 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
- Limited linear excursion (Xmax: 3.8 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 15.5 Liters |
| Tuning Frequency (Fb) | 80.4 Hz |
| F3 (-3 dB Cutoff) | 84.1 Hz |
| F6 / F10 Extension | 73.7 Hz / 64.5 Hz |
| Port Inner Diameter | Ø 10.0 cm |
| Port Physical Length | 16.3 cm |
| First Pipe Resonance | 1052.0 Hz |
| Estimated MOL @ F3 | 119.0 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 8.1 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 148.3 Hz |
| F3 (-3 dB Cutoff) | 140.1 Hz |
| F6 / F10 Extension | 105.4 Hz / 77.3 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 53.0 Hz |
| Total Q (Qts) | 0.24 |
| Electrical Q (Qes) | 0.247 |
| Mechanical Q (Qms) | 8.7 |
| Equivalent Volume (Vas) | 62.0 Liters |
| Diaphragm Area (Sd) | 539.0 cm² |
| DC Resistance (Re) | 3.8 Ω |
| Efficiency Bandwidth Product (EBP) | 214.7 |
| Linear Excursion (Xmax) | 3.8 mm |
| Thermal Power (Pe) | 400.0 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 ZTZ Audio TN-12TX300?
Load Forge's calculated alignment puts ZTZ Audio TN-12TX300 in a 15.5 liter vented enclosure tuned to 80.4 Hz, reaching an F3 cutoff of approximately 84.1 Hz.
Can ZTZ Audio TN-12TX300 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 8.1 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 140.1 Hz.
What port dimensions should be used for ZTZ Audio TN-12TX300 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 cm with a length of 16.3 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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