SOVOX SV-135W-04-090-0070-01
Best box: 7.3 L bass reflex tuned to 46.9 Hz · F3 62.0 Hz
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Comparable 5.25" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the SOVOX SV-135W-04-090-0070-01 does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 7.3 Liters |
| Tuning Frequency (Fb) | 46.9 Hz |
| F3 (-3 dB Cutoff) | 62.0 Hz |
| F6 / F10 Extension | 43.6 Hz / 36.0 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 33.1 cm |
| First Pipe Resonance | 520.0 Hz |
| Estimated MOL @ F3 | 97.7 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 12.6 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 77.7 Hz |
| F3 (-3 dB Cutoff) | 78.6 Hz |
| F6 / F10 Extension | 59.8 Hz / 45.4 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 67.0 Hz |
| Total Q (Qts) | 0.6 |
| Electrical Q (Qes) | 0.697 |
| Mechanical Q (Qms) | 4.3 |
| Equivalent Volume (Vas) | 4.9 Liters |
| Diaphragm Area (Sd) | 100.3 cm² |
| DC Resistance (Re) | 3.2 Ω |
| Efficiency Bandwidth Product (EBP) | 96.1 |
| Linear Excursion (Xmax) | 4.0 mm |
| Thermal Power (Pe) | 30.0 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 SOVOX SV-135W-04-090-0070-01?
Load Forge's calculated alignment puts SOVOX SV-135W-04-090-0070-01 in a 7.3 liter vented enclosure tuned to 46.9 Hz, reaching an F3 cutoff of approximately 62.0 Hz.
Can SOVOX SV-135W-04-090-0070-01 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 12.6 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 78.6 Hz.
What port dimensions should be used for SOVOX SV-135W-04-090-0070-01 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 33.1 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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