SEAS XM011-08 L22ROY2

Woofer

Nominal diameter
8″ / 220 mm
Resonance
27 Hz
Q factor
0.44
Sensitivity
83 dB
Linear excursion
± 11.5 mm
Program Power
500 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 82.5dB
  • Frequency response 20 - 2000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 27Hz
  • Mechanical quality factor QMS 4.11
  • Electrical quality factor QES 0.49
  • Total quality factor QTS 0.44

Large signal parameters

  • Maximum linear excursion xmax 11.5mm
  • Maximum excursion before damage xlim 23mm
  • Air volume displaced at xmax VD 254cm³
  • Power handling P 250W
  • Program power Pmax 500W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.2Ω
  • Inductance (1kHz) LE 0.4mH
  • VC Diameter 51mm
  • Winding height HVC 31mm

Magnet

  • Flux density B 1.15T
  • Force factor Bl 13.6N/A
  • Motor constant Bl/√RE 5.46N/√W
  • Air gap height HAG 8mm
  • Diameter 175mm
  • Weight 2.7kg

Diaphragm

  • Effective diameter 168mm
  • Effective area SD 221cm²
  • Moving mass MMS 84g
  • Moving mass (without air load) MMD 81.5g

Suspensions

  • Stiffness KMS 2.5N/mm
  • Compliance CMS 400µm/N
  • Equivalent volume to the compliance VAS 27L
  • Mechanical resistance RMS 3.56N·s/m

Dimensions

  • Nominal diameter 8
  • 220mm
  • Overall diameter 222mm
  • Baffle cutout diameter 193mm
  • Mounting depth 118mm
  • Volume occupied by the driver (estimated) 2.8L
  • Net weight 6.45kg
SEAS XM011-08 L22ROY2 SPL & Impedance
SEAS XM011-08 L22ROY2 Dimensions

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