Incriminator Audio Death Penalty 15
Best box: 70.0 L bass reflex tuned to 38.5 Hz · F3 37.2 Hz
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Comparable 15.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Incriminator Audio Death Penalty 15 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
- The textbook alignment (70.0 L at 33.5 Hz) would need a 112.4 cm port; the recommendation is retuned to 70.0 L at 38.5 Hz so the port can be built.
- Port length (95.0 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) | 70.0 Liters |
| Tuning Frequency (Fb) | 38.5 Hz |
| F3 (-3 dB Cutoff) | 37.2 Hz |
| F6 / F10 Extension | 33.5 Hz / 29.6 Hz |
| Port Inner Diameter | Ø 22.1 cm |
| Port Physical Length | 95.0 cm |
| First Pipe Resonance | 181.0 Hz |
| Estimated MOL @ F3 | 121.5 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 30.8 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 61.3 Hz |
| F3 (-3 dB Cutoff) | 62.9 Hz |
| F6 / F10 Extension | 47.3 Hz / 35.6 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 31.0 Hz |
| Total Q (Qts) | 0.35 |
| Electrical Q (Qes) | 0.376 |
| Mechanical Q (Qms) | 5.0 |
| Equivalent Volume (Vas) | 95.0 Liters |
| Diaphragm Area (Sd) | 855.0 cm² |
| DC Resistance (Re) | 3.8 Ω |
| Efficiency Bandwidth Product (EBP) | 82.4 |
| Linear Excursion (Xmax) | 32.0 mm |
| Thermal Power (Pe) | 2000.0 W |
| Nominal Diameter | 15.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Incriminator Audio Death Penalty 15?
Load Forge's calculated alignment puts Incriminator Audio Death Penalty 15 in a 70.0 liter vented enclosure tuned to 38.5 Hz, reaching an F3 cutoff of approximately 37.2 Hz.
Can Incriminator Audio Death Penalty 15 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 30.8 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 62.9 Hz.
What port dimensions should be used for Incriminator Audio Death Penalty 15 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 22.1 cm with a length of 95.0 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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