Kartesian Wib50_vHP
Best box: 0.12 L sealed · Fc 235.6 Hz · F3 237.0 Hz
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Comparable 2.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Kartesian Wib50_vHP 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: 2.5 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.
Textbook Bass Reflex — not recommended (4.7 dB bass hump)
PORT BUILDABLE| Net Box Volume (Vb) | 1.5 Liters |
| Tuning Frequency (Fb) | 130.5 Hz |
| F3 (-3 dB Cutoff) | 121.7 Hz |
| F6 / F10 Extension | 116.0 Hz / 108.6 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 19.5 cm |
| First Pipe Resonance | 884.0 Hz |
| Estimated MOL @ F3 | 99.8 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 0.12 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 235.6 Hz |
| F3 (-3 dB Cutoff) | 237.0 Hz |
| F6 / F10 Extension | 178.2 Hz / 134.0 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 154.4 Hz |
| Total Q (Qts) | 0.46 |
| Electrical Q (Qes) | 0.488 |
| Mechanical Q (Qms) | 8.0 |
| Equivalent Volume (Vas) | 0.2 Liters |
| Diaphragm Area (Sd) | 14.5 cm² |
| DC Resistance (Re) | 6.1 Ω |
| Efficiency Bandwidth Product (EBP) | 316.4 |
| Linear Excursion (Xmax) | 2.5 mm |
| Thermal Power (Pe) | N/A W |
| Nominal Diameter | 2.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Kartesian Wib50_vHP?
A simple ported box is not recommended for Kartesian Wib50_vHP: the textbook alignment (1.5 liters tuned to 130.5 Hz) needs a 19.5 cm port, and no nearby retune stays buildable without a bass hump. A sealed box, a passive radiator or a folded duct is the practical choice.
Can Kartesian Wib50_vHP be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 0.12 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 237.0 Hz.
What port dimensions should be used for Kartesian Wib50_vHP to avoid port chuffing?
A straight 5.0 cm port would need 19.5 cm of length, which does not fit a practical cabinet. Use a passive radiator or a folded/3D duct instead of a straight tube.
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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