Description
COMING SOON
General Specifications
| Power handling | 2000W RMS |
| Dual voice coil | D2 or D4 |
| Xmax (mm one way) | 25 |
| Xmech (mm one way) | 50 |
| Heat-treated 4-layer 4-inch coil | |
| Quad braided tinsel leads | |
| Multi-layer foam surround in Sparked Blue | |
| Aluminum dust cap | |
| Cast aluminum frame | |
| High-velocity motor cooling | |
Measurements
| Parameter | Metric (mm) | Imperial (in) |
|---|---|---|
| Outer Diameter | 464.06 | 18.27 |
| Mounting Diameter | 426.47 | 16.79 |
| Overall Depth | 301.36 | 11.86 |
| Mounting Depth | 271.36 | 10.68 |
T/S Parameters
| Parameter | D2 | D4 |
|---|---|---|
| RE (Ohms) | 3.91 | 5.94 |
| Fs (Hz) | 26.72 | 27.44 |
| VAS (L) | 70.36 | 74.16 |
| Qes | 0.63 | 0.69 |
| Qms | 6.86 | 6.67 |
| Qts | 0.58 | 0.63 |
| BL | 32.08 | 36.54 |
| Mms (Grams) | 994.75 | 894.78 |
| Cms (uM/N) | 35.66 | 37.60 |
| Sensitivity (dB @2.83Vrms/1m) | 88.11 @ 1 kHz | 86.52 @ 1 kHz |
ENCLOSURE RECOMMENDATIONS
| Size | Application | Enclosure Type | Volume (ft³) | Port | Tuning (Hz) | Details | ||
|---|---|---|---|---|---|---|---|---|
| Type | Dia. (in) | Length (in) | ||||||
| 18" | General (most common) |
SBB4 - Loud Bass Response | 6.50-10.00 | Round | Two x 6 | 18" @ 6.50ft³ 11" @ 10.00ft³ |
32 | |
| 18" | General | SBB4 - Flat Response | 3.25-4.25 | Round | 6 | 18" @ 3.25ft³ 13" @ 4.25ft³ |
32 | |
| 18" | SQ | QB3 - Low-Frequency Peak | 7.00-9.50 | Round | 6 | 16" @ 7.00ft³ 11" @ 9.50ft³ |
23 | |
| 18" | SQ | QB3 - Flat Response | 6.50-8.50 | Round | 6 | 25" @ 6.50ft³ 18" @ 8.50ft³ |
20 | |



