REDCATT DR-12-018-8R-B2-C0001
Best box: 7.6 L bass reflex tuned to 97.7 Hz · F3 109.7 Hz
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Comparable 12.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the REDCATT DR-12-018-8R-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
- The textbook alignment (7.6 L at 72.4 Hz) would need a 83.4 cm port; the recommendation is retuned to 7.6 L at 97.7 Hz so the port can be built.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 7.6 Liters |
| Tuning Frequency (Fb) | 97.7 Hz |
| F3 (-3 dB Cutoff) | 109.7 Hz |
| F6 / F10 Extension | 95.0 Hz / 81.7 Hz |
| Port Inner Diameter | Ø 12.5 cm |
| Port Physical Length | 41.8 cm |
| First Pipe Resonance | 412.0 Hz |
| Estimated MOL @ F3 | 135.6 dB SPL |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 5.0 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 140.0 Hz |
| F3 (-3 dB Cutoff) | 138.7 Hz |
| F6 / F10 Extension | 107.8 Hz / 81.4 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 35.0 Hz |
| Total Q (Qts) | 0.17 |
| Electrical Q (Qes) | 0.174 |
| Mechanical Q (Qms) | 6.65 |
| Equivalent Volume (Vas) | 81.9 Liters |
| Diaphragm Area (Sd) | 551.0 cm² |
| DC Resistance (Re) | 5.5 Ω |
| Efficiency Bandwidth Product (EBP) | 200.6 |
| Linear Excursion (Xmax) | 5.8 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-12-018-8R-B2-C0001?
Load Forge's calculated alignment puts REDCATT DR-12-018-8R-B2-C0001 in a 7.6 liter vented enclosure tuned to 97.7 Hz, reaching an F3 cutoff of approximately 109.7 Hz.
Can REDCATT DR-12-018-8R-B2-C0001 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 5.0 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 138.7 Hz.
What port dimensions should be used for REDCATT DR-12-018-8R-B2-C0001 to avoid port chuffing?
Sized from cone displacement (Sd × Xmax), a minimum port diameter of 12.5 cm with a length of 41.8 cm is suggested; check the port air velocity at your drive level in the Load Forge Studio.
Shareable Acoustic Card for Forums & Social Media
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