REDCATT DR-12-045-8R-B2-C0001
Best box: 95.8 L bass reflex tuned to 43.7 Hz · F3 42.0 Hz
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Comparable 12.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the REDCATT DR-12-045-8R-B2-C0001 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: 3.9 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) | 95.8 Liters |
| Tuning Frequency (Fb) | 43.7 Hz |
| F3 (-3 dB Cutoff) | 42.0 Hz |
| F6 / F10 Extension | 36.8 Hz / 32.6 Hz |
| Port Inner Diameter | Ø 10.0 cm |
| Port Physical Length | 5.7 cm |
| First Pipe Resonance | 3008.0 Hz |
| Estimated MOL @ F3 | 118.4 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 63.9 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 74.3 Hz |
| F3 (-3 dB Cutoff) | 75.5 Hz |
| F6 / F10 Extension | 57.0 Hz / 43.0 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 55.7 Hz |
| Total Q (Qts) | 0.5 |
| Electrical Q (Qes) | 0.541 |
| Mechanical Q (Qms) | 6.53 |
| Equivalent Volume (Vas) | 63.9 Liters |
| Diaphragm Area (Sd) | 530.9 cm² |
| DC Resistance (Re) | 5.51 Ω |
| Efficiency Bandwidth Product (EBP) | 102.9 |
| Linear Excursion (Xmax) | 3.9 mm |
| Thermal Power (Pe) | N/A 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 REDCATT DR-12-045-8R-B2-C0001?
Load Forge's calculated alignment puts REDCATT DR-12-045-8R-B2-C0001 in a 95.8 liter vented enclosure tuned to 43.7 Hz, reaching an F3 cutoff of approximately 42.0 Hz.
Can REDCATT DR-12-045-8R-B2-C0001 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 63.9 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 75.5 Hz.
What port dimensions should be used for REDCATT DR-12-045-8R-B2-C0001 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 10.0 cm with a length of 5.7 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
Shareable Acoustic Card for Forums & Social Media
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