| Impedance (Z) | 2 x 4 Ω |
| Transmission method | - |
| Frequency range | f3-800 Hz |
| Resonant frequency (fs) | 21.5 Hz |
| Rec. crossov. frequ. (fmax.) (12 dB/oct.) | - |
| Power rating | 2 x 250 W |
| Peak music power output | 2 x 400 W |
| Sensitivity | 89 dB/W/m |
| Max. rated SPL | - |
| Max. voltage | - |
| Radiation angle, horizontal | - |
| Radiation angle, vertical | - |
| Suspension compl. (Cms) | 0.28 mm/N |
| Moving mass (Mms) | 199.5 g |
| Mech. Q factor (Qms) | 2.81 |
| Electr. Q factor (Qes) | 0.31 |
| Total Q factor (Qts) | 0.28 |
| Equivalent volume (Vas) | 275 l |
| DC resistance (Re) | 2 x 3.6 Ω/1 x 7.2 Ω |
| Force factor (BxL) | 25.0 Tm |
| Voice coil induct. (Le) | 2 x 1.1 mH/1 x 4.4 mH |
| Voice coil diameter | Ø 75.5 mm |
| Voice coil former | aluminium |
| Linear excursion (XMAX) | ± 11.1 mm |
| Eff. cone area (Sd) | 845 cm2 |
| Magnet weight | 3.7 kg |
| Magnet diameter | Ø 180 mm |
| Mounting cutout | Ø 356 mm |
| Mounting depth | 165 mm |
| Mounting hole diameter | - |
| Hole spacing X-axis | - |
| Hole spacing Y-axis | - |
| Dimensions | Ø 402 mm x 180 mm |
| Outside diameter | Ø 402 mm |
| Width | Ø 402 mm |
| Height | - |
| Depth | 180 mm |
| Protective class | - |
| Admiss. ambient temp. | 0-40 °C |
| Weight | 10.62 kg |
| Packing unit | 1 |
| Type of speaker | 15" |
