Eminence EMIREDCV75B
Best box: 65.2 L bass reflex tuned to 72.4 Hz · F3 67.7 Hz
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Comparable 12.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Eminence EMIREDCV75B 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
- Limited linear excursion (Xmax: 1.23 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) | 65.2 Liters |
| Tuning Frequency (Fb) | 72.4 Hz |
| F3 (-3 dB Cutoff) | 67.7 Hz |
| F6 / F10 Extension | 61.0 Hz / 54.2 Hz |
| Port Inner Diameter | Ø 15.0 cm |
| Port Physical Length | 4.8 cm |
| First Pipe Resonance | 3603.0 Hz |
| Estimated MOL @ F3 | 114.6 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 28.6 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 120.6 Hz |
| F3 (-3 dB Cutoff) | 122.9 Hz |
| F6 / F10 Extension | 93.4 Hz / 70.8 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 79.0 Hz |
| Total Q (Qts) | 0.42 |
| Electrical Q (Qes) | 0.432 |
| Mechanical Q (Qms) | 15.07 |
| Equivalent Volume (Vas) | 52.5 Liters |
| Diaphragm Area (Sd) | 519.5 cm² |
| DC Resistance (Re) | 6.89 Ω |
| Efficiency Bandwidth Product (EBP) | 182.9 |
| Linear Excursion (Xmax) | 1.2 mm |
| Thermal Power (Pe) | 75.0 W |
| Nominal Diameter | 12.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Eminence EMIREDCV75B?
Load Forge's calculated alignment puts Eminence EMIREDCV75B in a 65.2 liter vented enclosure tuned to 72.4 Hz, reaching an F3 cutoff of approximately 67.7 Hz.
Can Eminence EMIREDCV75B be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 28.6 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 122.9 Hz.
What port dimensions should be used for Eminence EMIREDCV75B to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 15.0 cm with a length of 4.8 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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