SEAS XM011-04 L22ROY2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.9dB
• Frequency response 20 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 27Hz
• Mechanical quality factor QMS 5.10
• Electrical quality factor QES 0.42
• Total quality factor QTS 0.39

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 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz) LE 0.23mH
• VC Diameter 51mm
• Winding height HVC 31mm
• Winding material Copper
• Former material Titanium

Magnet

• Flux density B 1.15T
• Force factor Bl 10.5N/A
• Motor constant Bl/√RE 5.87N/√W
• Air gap height HAG 8mm
• Diameter 175mm
• Weight 2.7kg

Diaphragm

• Effective diameter 168mm
• Effective area SD 221cm²
• Moving mass MMS 86.4g
• Moving mass (without air load) MMD 83.9g
• Material Aluminium

Suspensions

• Stiffness KMS 2.5N/mm
• Compliance CMS 400µm/N
• Equivalent volume to the compliance VAS 28L
• Mechanical resistance RMS 2.9N·s/m
• Surround material Rubber
• Spider material Textile

Dimensions

• Nominal diameter 8″
• 220mm
• Overall diameter 222mm
• Baffle cutout diameter 193mm
• Overall depth 129mm
• Flange thickness 11mm
• Mounting depth 118mm
• Volume occupied by the driver (estimated) 2.1L
• Net weight 6.45kg