PowerBass 2XL-1004D

2x4Ω

Subwoofer

Nominal diameter10″ / 254 mm
Resonance34 Hz
Q factor0.41
Sensitivity84.8 dB
Linear excursion± 13 mm
Program power800 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 84.8dB
  • 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 (one way) xmax 13mm
  • Air volume displaced at xmax VD 450cm³
  • Power handling P 400W
  • Program power Pmax 800W
  • Peak power Ppeak 800W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 6.0Ω
  • Inductance (1kHz, in series, estimated) LE 4.16mH
  • VC Diameter 63.5mm
  • Former material Kapton

Magnet

  • Force factor (in series) Bl 22.8N/A
  • Motor constant Bl/√RE 9.31N/√W
  • Weight 3.06kg

Diaphragm

  • Effective diameter 210mm
  • Effective area SD 346cm²
  • Moving mass (including air load) MMS 176g
  • Moving mass MMD 172g
  • Material FP Matrix “Foam Sandwich”

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
  • Surround material Santoprene

Dimensions

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

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