XL-1240D采用聚碳酸酯/玻璃纤维制成的定制涡轮式框架，支持双堆叠磁铁和延伸的圆顶背板，具有极佳的性能和稳定性。非压制纸锥确保其自然平滑的低音再现，超高性价比是众多派贝斯年轻粉丝们的选择！
New PBX dust cap
12" Dual 4-Ohm Subwoofer
400 watt RMS/800 Watts Max
Proprietary Non-pressed Paper DDC Coated Cone
High Roll Santoprene® Surround
2.0" Vented BASV Voice Coil Former
Perimeter Aero-Vent Voice Coil Cooling Vents
Proprietary Non Resonance Polycarbonate/Glass Fiber Basket
Chrome Push Terminals
Optimally Designed for Both Small Sealed or Ported Enclosures
Nominal Impedance: Dual 4-ohm
BL: 9.57
Inputs: Dual Coil
Subwoofer Frequency Range: 33 Hz - 450 Hz
Voice Coil Size: 2 in
Material: Non Pressed Paper
Magnet Size: 186 oz
Sensitivity (1W / 1M): 91 dB
Motor Structure: 186 oz
Cutout Diameter: 11 1/16" (281mm)
Mounting Depth: 5.7 in
Xmax: 8.5 mm
Spl: 91 dB
No: 0.32%
Qts: 0.57
Qes: 0.64
Qms: 3.73
Mms: 171.9 g
Cms: 127.8 uM/N
Vas: 55.20 Ltr
SD: 551.55 sqCM
Fs: 33.0 Hz
Test Impedance: 1.6-ohm
VC Impedance: 4-ohm + 4-ohm
Size: 12 in
Sensitivity: 91 dB
Frequency Response: 33 Hz - 450 Hz
Voice Coil Size: 2 in
Power Handling (RMS/Peak): 400 / 800 watts