PowerBass 2XL-1004D

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.1dB
• Frequency response 30 - 500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 34Hz
• Mechanical quality factor QMS 5.10
• Electrical quality factor QES 0.45
• Total quality factor QTS 0.41

Large signal parameters

• Maximum linear excursion xmax 13mm
• Air volume displaced at xmax VD 450cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.8Ω
• Inductance (1kHz, in series, estimated) LE 4.71mH
• VC Diameter 64mm

Magnet

• Force factor (in series) Bl 22.8N/A
• Motor constant Bl/√RE 8.74N/√W
• Weight 7.94kg

Diaphragm

• Effective diameter 210mm
• Effective area SD 346cm²
• Moving mass MMS 176g
• Moving mass (without air load) MMD 172g
• Material IMFPM / PP Matrix

Suspensions

• Stiffness KMS 8.43N/mm
• Compliance CMS 119µm/N
• Equivalent volume to the compliance VAS 20.2L
• Mechanical resistance RMS 7.38N·s/m

Dimensions

• Nominal diameter 10″
• 254mm
• Baffle cutout diameter 236mm
• Mounting depth 147mm
• Volume occupied by the driver (estimated) 1.5L