Supravox 245 Heritage Exc Haut Parleur Grave Medium 50W 96 A 100Db 8 Ohms
Best box: 142.2 L bass reflex tuned to 44.3 Hz · F3 40.9 Hz
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Comparable 10.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Supravox 245 Heritage Exc Haut Parleur Grave Medium 50W 96 A 100Db 8 Ohms 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
- Large enclosure volume (142.2 L) requires extensive internal matrix bracing to prevent panel resonance.
- Limited linear excursion (Xmax: 3.5 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 142.2 Liters |
| Tuning Frequency (Fb) | 44.3 Hz |
| F3 (-3 dB Cutoff) | 40.9 Hz |
| F6 / F10 Extension | 37.1 Hz / 33.2 Hz |
| Port Inner Diameter | Ø 12.5 cm |
| Port Physical Length | 4.2 cm |
| First Pipe Resonance | 4053.0 Hz |
| Estimated MOL @ F3 | 110.3 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 63.2 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 74.0 Hz |
| F3 (-3 dB Cutoff) | 74.7 Hz |
| F6 / F10 Extension | 56.4 Hz / 42.6 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 50.4 Hz |
| Total Q (Qts) | 0.44 |
| Electrical Q (Qes) | 0.506 |
| Mechanical Q (Qms) | 3.37 |
| Equivalent Volume (Vas) | 100.0 Liters |
| Diaphragm Area (Sd) | 330.0 cm² |
| DC Resistance (Re) | 6.5 Ω |
| Efficiency Bandwidth Product (EBP) | 99.6 |
| Linear Excursion (Xmax) | 3.5 mm |
| Thermal Power (Pe) | N/A 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 Supravox 245 Heritage Exc Haut Parleur Grave Medium 50W 96 A 100Db 8 Ohms?
Load Forge's calculated alignment puts Supravox 245 Heritage Exc Haut Parleur Grave Medium 50W 96 A 100Db 8 Ohms in a 142.2 liter vented enclosure tuned to 44.3 Hz, reaching an F3 cutoff of approximately 40.9 Hz.
Can Supravox 245 Heritage Exc Haut Parleur Grave Medium 50W 96 A 100Db 8 Ohms be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 63.2 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 74.7 Hz.
What port dimensions should be used for Supravox 245 Heritage Exc Haut Parleur Grave Medium 50W 96 A 100Db 8 Ohms to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 12.5 cm with a length of 4.2 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
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Not sure if 245 Heritage Exc Haut Parleur Grave Medium 50W 96 A 100Db 8 Ohms fits your physical space?
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