Beschreibung
| TYPE: | 9912B (ESP) | 9915B (ESP) | 9918B (ESP) | 9921B |
|---|---|---|---|---|
| Speaker Size (In): | 12 | 15 | 18 | 21 |
| Watts RMS: | 1500-2500 | 1500-2500 | 1500-2500 | 1500-2500 |
| Watts Peak: | 10000 | 10000 | 10000 | 10000 |
| Impedance: | D1 / D2 | D1 / D2 | D1 / D2 | D1 / D2 |
| VCD (In): | 4 | 4 | 4 | 4 |
| Piston Diameter (In): | 11 | 14.25 | 15.5 | 18.25 |
| Fs (Hz): | 31.63 | 34.32 | 26.24 | 26.24 |
| Qms: | 5,398 | 6,551 | 5.265 | 5.265 |
| Bag: | 0.377 | 0.426 | 0.517 | 0.517 |
| Qts: | 0.352 | 0.400 | 0.471 | 0.471 |
| Vas (liters): | 23.63 | 54.38 | 161.9 | 161.9 |
| Xmech (MM): | 62 | 62 | 60 | 92 |
| Xmax (MM): | 22 | 22 | 22 | 22 |
| Frame OD (In): | 13.38 | 16.62 | 18.25 | 21 5/16 |
| Frame OD w/ Gasket (In): | 13.5 | 16.75 | 18.5 | 21.31 |
| Mounting Diameter (In): | 12.19 | 15.19 | 16.75 | 19.25 |
| Mounting Depth (In): | 9.69 | 10.31 | 11.5 | 11.31 |
| Engine Diameter (In): | 10.31 | 10.31 | 10.31 | 10.31 |
| Engine Depth (In): | 4.56 | 4.56 | 4.56 | 4.56 |
| Woofer Displacement (CuFt): | 0.33 | 0.4 | 0.46 | 0.55 |
| Ported Enclosure (CuFt): | 1.75 – 2.75 | 3.0 – 6.0 | 5.0 – 6.0 | 6.0 – 8.0 |
| Shipping Weight (Lbs): | 81 | 87 | 89 | 92 |
