Hertz HMS 10 B2 LD C
Best box: 45.7 L bass reflex tuned to 31.6 Hz · F3 37.4 Hz
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Comparable 10.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Hertz HMS 10 B2 LD C 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 (45.7 L at 30.1 Hz) would need a 49.7 cm port; the recommendation is retuned to 45.7 L at 31.6 Hz so the port can be built.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 45.7 Liters |
| Tuning Frequency (Fb) | 31.6 Hz |
| F3 (-3 dB Cutoff) | 37.4 Hz |
| F6 / F10 Extension | 28.1 Hz / 24.0 Hz |
| Port Inner Diameter | Ø 10.0 cm |
| Port Physical Length | 44.4 cm |
| First Pipe Resonance | 387.0 Hz |
| Estimated MOL @ F3 | 117.2 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 78.4 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 49.6 Hz |
| F3 (-3 dB Cutoff) | 50.7 Hz |
| F6 / F10 Extension | 38.3 Hz / 28.9 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 43.0 Hz |
| Total Q (Qts) | 0.6 |
| Electrical Q (Qes) | 0.631 |
| Mechanical Q (Qms) | 12.3 |
| Equivalent Volume (Vas) | 30.5 Liters |
| Diaphragm Area (Sd) | 348.1 cm² |
| DC Resistance (Re) | 2.1 Ω |
| Efficiency Bandwidth Product (EBP) | 68.2 |
| Linear Excursion (Xmax) | 12.3 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 Hertz HMS 10 B2 LD C?
Load Forge's calculated alignment puts Hertz HMS 10 B2 LD C in a 45.7 liter vented enclosure tuned to 31.6 Hz, reaching an F3 cutoff of approximately 37.4 Hz.
Can Hertz HMS 10 B2 LD C be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 78.4 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 50.7 Hz.
What port dimensions should be used for Hertz HMS 10 B2 LD C to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 cm with a length of 44.4 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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