Jensen N 12/80 TR STEALTH
Best box: 84.8 L bass reflex tuned to 51.6 Hz · F3 53.9 Hz
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Comparable 12.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Jensen N 12/80 TR STEALTH 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
- Xmax is not published, so the port size is an empirical estimate (area ≥ 12 in² per ft³ of net volume, minimum by driver size), not a displacement calculation. Check air velocity in Load Forge Studio.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 84.8 Liters |
| Tuning Frequency (Fb) | 51.6 Hz |
| F3 (-3 dB Cutoff) | 53.9 Hz |
| F6 / F10 Extension | 44.4 Hz / 38.8 Hz |
| Port Inner Diameter ESTIMATED | Ø 20.0 cm |
| Port Physical Length | 27.4 cm |
| First Pipe Resonance | 628.0 Hz |
| Estimated MOL @ F3 | 113.0 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 86.6 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 84.6 Hz |
| F3 (-3 dB Cutoff) | 85.2 Hz |
| F6 / F10 Extension | 64.5 Hz / 48.8 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 71.7 Hz |
| Total Q (Qts) | 0.55 |
| Electrical Q (Qes) | 0.575 |
| Mechanical Q (Qms) | 12.54 |
| Equivalent Volume (Vas) | 56.5 Liters |
| Diaphragm Area (Sd) | 490.9 cm² |
| DC Resistance (Re) | 6.38 Ω |
| Efficiency Bandwidth Product (EBP) | 124.6 |
| Linear Excursion (Xmax) | N/A mm |
| Thermal Power (Pe) | 80.0 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 Jensen N 12/80 TR STEALTH?
Load Forge's calculated alignment puts Jensen N 12/80 TR STEALTH in a 84.8 liter vented enclosure tuned to 51.6 Hz, reaching an F3 cutoff of approximately 53.9 Hz.
Can Jensen N 12/80 TR STEALTH be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 86.6 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 85.2 Hz.
What port dimensions should be used for Jensen N 12/80 TR STEALTH to avoid port chuffing?
Xmax is not published for Jensen N 12/80 TR STEALTH, so the port is an empirical estimate: a 20.0 cm diameter with a length of 27.4 cm (area at least 12 in² per ft³ of net volume). Check the air velocity at your power level in 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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