PowerBass XL-1040DSS

2x4Ω

Subwoofer

Nominal diameter10″ / 254 mm
Resonance31.5 Hz
Q factor0.56
Sensitivity88.7 dB
Linear excursion± 7.9 mm
Program power400 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 88.7dB
  • Frequency response 45 - 500Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 31.5Hz
  • Mechanical quality factor QMS 7.21
  • Electrical quality factor QES 0.61
  • Total quality factor QTS 0.56

Large signal parameters

  • Maximum linear excursion (one way) xmax 7.9mm
  • Air volume displaced at xmax VD 287cm³
  • Power handling P 200W
  • Program power Pmax 400W
  • Peak power Ppeak 400W

Voice Coil

  • Nominal impedance Z 2 x 4Ω
  • DC resistance (in series) RE 6.6Ω
  • Inductance (1kHz, in series, estimated) LE 3.86mH
  • VC Diameter 50.8mm
  • Former material Kapton

Magnet

  • Force factor (in series) Bl 17.1N/A
  • Motor constant Bl/√RE 6.65N/√W
  • Weight 1.391kg

Diaphragm

  • Effective diameter 206mm
  • Effective area SD 363cm²
  • Moving mass (including air load) MMS 137g
  • Moving mass MMD 77.6g
  • Material Polypropylene

Suspensions

  • Stiffness KMS 7.41N/mm
  • Compliance CMS 187µm/N
  • Equivalent volume to the compliance VAS 34.9L
  • Mechanical resistance RMS 4.66N·s/m
  • Surround material TPO Thermoplastic Polyurethane
  • Spider material Treated Textile

Dimensions

  • Nominal diameter 10
  • 254mm
  • Baffle cutout diameter 237mm
  • Mounting depth 136mm
  • Volume occupied by the driver (estimated) 1.5L
  • Frame material Composite Polycarbonate / Glass Fiber

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PowerBass XL-1040SS Subwoofer

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4 Ω
10Subwoofer
fS28.7 Hz
SD363 cm²
45 - 500 Hz
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xmax7.9 mm
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