Ciare HSG200-2+2
Best box: 9.9 L bass reflex tuned to 48.1 Hz · F3 48.8 Hz
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Comparable 8.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Ciare HSG200-2+2 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 (9.9 L at 45.8 Hz) would need a 47.6 cm port; the recommendation is retuned to 9.9 L at 48.1 Hz so the port can be built.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 9.9 Liters |
| Tuning Frequency (Fb) | 48.1 Hz |
| F3 (-3 dB Cutoff) | 48.8 Hz |
| F6 / F10 Extension | 43.0 Hz / 37.6 Hz |
| Port Inner Diameter | Ø 6.8 cm |
| Port Physical Length | 42.7 cm |
| First Pipe Resonance | 403.0 Hz |
| Estimated MOL @ F3 | 108.9 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 4.5 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 85.5 Hz |
| F3 (-3 dB Cutoff) | 86.6 Hz |
| F6 / F10 Extension | 65.3 Hz / 49.2 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 38.0 Hz |
| Total Q (Qts) | 0.31 |
| Electrical Q (Qes) | 0.331 |
| Mechanical Q (Qms) | 4.8 |
| Equivalent Volume (Vas) | 19.0 Liters |
| Diaphragm Area (Sd) | 219.0 cm² |
| DC Resistance (Re) | 3.1 Ω |
| Efficiency Bandwidth Product (EBP) | 114.7 |
| Linear Excursion (Xmax) | 7.5 mm |
| Thermal Power (Pe) | 350.0 W |
| Nominal Diameter | 8.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Ciare HSG200-2+2?
Load Forge's calculated alignment puts Ciare HSG200-2+2 in a 9.9 liter vented enclosure tuned to 48.1 Hz, reaching an F3 cutoff of approximately 48.8 Hz.
Can Ciare HSG200-2+2 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 4.5 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 86.6 Hz.
What port dimensions should be used for Ciare HSG200-2+2 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 6.8 cm with a length of 42.7 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
Shareable Acoustic Card for Forums & Social Media
Embed this design card on DIYAudio, AVSForum, Reddit, or Facebook. It shows the calculated F3, MOL (when the power rating is published) and box parameters.
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