Visaton W 250 NG 4 OHM
Best box: 120.0 L bass reflex tuned to 22.0 Hz · F3 41.2 Hz
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Comparable 10.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Visaton W 250 NG 4 OHM 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 (96.0 L at 31.4 Hz) would need a 17.7 cm port; the recommendation is retuned to 120.0 L at 22.0 Hz so the port can be built.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 120.0 Liters |
| Tuning Frequency (Fb) | 22.0 Hz |
| F3 (-3 dB Cutoff) | 41.2 Hz |
| F6 / F10 Extension | 34.1 Hz / 26.1 Hz |
| Port Inner Diameter | Ø 10.0 cm |
| Port Physical Length | 33.4 cm |
| First Pipe Resonance | 515.0 Hz |
| Estimated MOL @ F3 | 107.9 dB SPL |
Sealed (Acoustic Suspension) — compromise
SUITS INFINITE / OPEN BAFFLEWith Qts 0.87 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 1.23; for a flat response this driver is better used on an infinite (IB) or open baffle.
| Net Box Volume (Vb) | 120.0 Liters |
| System Q (Qtc) | 1.23 (above Butterworth: Qtc cannot fall below Qts (0.87)) |
| System Resonance (Fc) | 52.3 Hz |
| F3 (-3 dB Cutoff) | 42.0 Hz |
| F6 / F10 Extension | 35.3 Hz / 28.7 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 37.0 Hz |
| Total Q (Qts) | 0.87 |
| Electrical Q (Qes) | 1.091 |
| Mechanical Q (Qms) | 4.3 |
| Equivalent Volume (Vas) | 120.0 Liters |
| Diaphragm Area (Sd) | 360.0 cm² |
| DC Resistance (Re) | 3.7 Ω |
| Efficiency Bandwidth Product (EBP) | 33.9 |
| Linear Excursion (Xmax) | 18.0 mm |
| Thermal Power (Pe) | 80.0 W |
| Nominal Diameter | 10.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Visaton W 250 NG 4 OHM?
Load Forge's calculated alignment puts Visaton W 250 NG 4 OHM in a 120.0 liter vented enclosure tuned to 22.0 Hz, reaching an F3 cutoff of approximately 41.2 Hz.
Can Visaton W 250 NG 4 OHM be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 120.0 liters with a Qtc of 1.23 (above Butterworth: Qtc cannot fall below Qts (0.87)), the system exhibits an F3 of 42.0 Hz.
What port dimensions should be used for Visaton W 250 NG 4 OHM to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 cm with a length of 33.4 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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