Visaton W 130 X - 2 x 4 Ohm
Best box: 5.3 L bass reflex tuned to 34.0 Hz · F3 45.3 Hz
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Comparable 5.25" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Visaton W 130 X - 2 x 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 (4.1 L at 34.0 Hz) would need a 120.6 cm port; the recommendation is retuned to 5.3 L at 34.0 Hz so the port can be built.
- Port length (92.5 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) | 5.3 Liters |
| Tuning Frequency (Fb) | 34.0 Hz |
| F3 (-3 dB Cutoff) | 45.3 Hz |
| F6 / F10 Extension | 36.8 Hz / 27.8 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 92.5 cm |
| First Pipe Resonance | 186.0 Hz |
| Estimated MOL @ F3 | 95.7 dB SPL |
Sealed (Acoustic Suspension) — compromise
SUITS INFINITE / OPEN BAFFLEWith Qts 0.71 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 1.004; for a flat response this driver is better used on an infinite (IB) or open baffle.
| Net Box Volume (Vb) | 5.1 Liters |
| System Q (Qtc) | 1.004 (above Butterworth: Qtc cannot fall below Qts (0.71)) |
| System Resonance (Fc) | 56.6 Hz |
| F3 (-3 dB Cutoff) | 48.8 Hz |
| F6 / F10 Extension | 40.2 Hz / 32.2 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 40.0 Hz |
| Total Q (Qts) | 0.71 |
| Electrical Q (Qes) | 0.852 |
| Mechanical Q (Qms) | 4.27 |
| Equivalent Volume (Vas) | 5.1 Liters |
| Diaphragm Area (Sd) | 94.2 cm² |
| DC Resistance (Re) | 3.8 Ω |
| Efficiency Bandwidth Product (EBP) | 47.0 |
| Linear Excursion (Xmax) | 11.5 mm |
| Thermal Power (Pe) | 60.0 W |
| Nominal Diameter | 5.25" |
| 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 130 X - 2 x 4 Ohm?
Load Forge's calculated alignment puts Visaton W 130 X - 2 x 4 Ohm in a 5.3 liter vented enclosure tuned to 34.0 Hz, reaching an F3 cutoff of approximately 45.3 Hz.
Can Visaton W 130 X - 2 x 4 Ohm be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 5.1 liters with a Qtc of 1.004 (above Butterworth: Qtc cannot fall below Qts (0.71)), the system exhibits an F3 of 48.8 Hz.
What port dimensions should be used for Visaton W 130 X - 2 x 4 Ohm to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 92.5 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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