Precision Devices PD.2160-1N
Best box: 83.8 L bass reflex tuned to 43.4 Hz · F3 45.5 Hz
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Comparable 24.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Precision Devices PD.2160-1N 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 (64.9 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) | 83.8 Liters |
| Tuning Frequency (Fb) | 43.4 Hz |
| F3 (-3 dB Cutoff) | 45.5 Hz |
| F6 / F10 Extension | 39.6 Hz / 34.4 Hz |
| Port Inner Diameter | Ø 23.4 cm |
| Port Physical Length | 64.9 cm |
| First Pipe Resonance | 265.0 Hz |
| Estimated MOL @ F3 | 125.1 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 38.9 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 79.6 Hz |
| F3 (-3 dB Cutoff) | 81.6 Hz |
| F6 / F10 Extension | 61.1 Hz / 45.8 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 35.0 Hz |
| Total Q (Qts) | 0.3 |
| Electrical Q (Qes) | 0.306 |
| Mechanical Q (Qms) | 15.8 |
| Equivalent Volume (Vas) | 177.0 Liters |
| Diaphragm Area (Sd) | 1698.0 cm² |
| DC Resistance (Re) | 5.3 Ω |
| Efficiency Bandwidth Product (EBP) | 114.5 |
| Linear Excursion (Xmax) | 16.0 mm |
| Thermal Power (Pe) | 2000.0 W |
| Nominal Diameter | 24.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Precision Devices PD.2160-1N?
Load Forge's calculated alignment puts Precision Devices PD.2160-1N in a 83.8 liter vented enclosure tuned to 43.4 Hz, reaching an F3 cutoff of approximately 45.5 Hz.
Can Precision Devices PD.2160-1N be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 38.9 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 81.6 Hz.
What port dimensions should be used for Precision Devices PD.2160-1N to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 23.4 cm with a length of 64.9 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
Shareable Acoustic Card for Forums & Social Media
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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