SEAS E0017-08S W18EX001

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.9dB
• Frequency response 40 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 34Hz
• Mechanical quality factor QMS 1.80
• Electrical quality factor QES 0.30
• Total quality factor QTS 0.26

Large signal parameters

• Maximum linear excursion xmax 5mm
• Maximum excursion before damage xlim 9.5mm
• Air volume displaced at xmax VD 63cm³
• Power handling P 100W
• Program power Pmax 250W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.1Ω
• Inductance (1kHz) LE 0.65mH
• VC Diameter 39mm
• Winding height HVC 16mm

Magnet

• Flux density B 1T
• Force factor Bl 8.4N/A
• Motor constant Bl/√RE 3.4N/√W
• Air gap height HAG 6mm
• Weight 0.64kg

Diaphragm

• Effective diameter 127mm
• Effective area SD 126cm²
• Moving mass MMS 15.5g
• Moving mass (without air load) MMD 14.4g

Suspensions

• Stiffness KMS 0.714N/mm
• Compliance CMS 1400µm/N
• Equivalent volume to the compliance VAS 30L
• Mechanical resistance RMS 1.94N·s/m

Dimensions

• Nominal diameter 8″
• 180mm
• Volume occupied by the driver (estimated) 0.89L
• Net weight 2.15kg