Markaudio CHP90-MICA-word-with-default-data-set-10-Sept-2025
Best box: 16.5 L bass reflex tuned to 50.7 Hz · F3 49.6 Hz
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Comparable 5.25" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Markaudio CHP90-MICA-word-with-default-data-set-10-Sept-2025 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) | 16.5 Liters |
| Tuning Frequency (Fb) | 50.7 Hz |
| F3 (-3 dB Cutoff) | 49.6 Hz |
| F6 / F10 Extension | 44.0 Hz / 38.7 Hz |
| Port Inner Diameter | Ø 5.0 cm |
| Port Physical Length | 10.3 cm |
| First Pipe Resonance | 1670.0 Hz |
| Estimated MOL @ F3 | 101.4 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 7.2 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 91.1 Hz |
| F3 (-3 dB Cutoff) | 91.2 Hz |
| F6 / F10 Extension | 69.1 Hz / 52.2 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 48.5 Hz |
| Total Q (Qts) | 0.363 |
| Electrical Q (Qes) | 0.435 |
| Mechanical Q (Qms) | 2.2 |
| Equivalent Volume (Vas) | 20.1 Liters |
| Diaphragm Area (Sd) | 85.0 cm² |
| DC Resistance (Re) | 6.2 Ω |
| Efficiency Bandwidth Product (EBP) | 111.5 |
| Linear Excursion (Xmax) | 7.0 mm |
| Thermal Power (Pe) | 40.0 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 Markaudio CHP90-MICA-word-with-default-data-set-10-Sept-2025?
Load Forge's calculated alignment puts Markaudio CHP90-MICA-word-with-default-data-set-10-Sept-2025 in a 16.5 liter vented enclosure tuned to 50.7 Hz, reaching an F3 cutoff of approximately 49.6 Hz.
Can Markaudio CHP90-MICA-word-with-default-data-set-10-Sept-2025 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 7.2 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 91.2 Hz.
What port dimensions should be used for Markaudio CHP90-MICA-word-with-default-data-set-10-Sept-2025 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 5.0 cm with a length of 10.3 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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