SEAS E0091-08 W12CY006

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.5dB
• Frequency response 50 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 72Hz
• Mechanical quality factor QMS 2.20
• Electrical quality factor QES 0.49
• Total quality factor QTS 0.40

Large signal parameters

• Maximum linear excursion xmax 3mm
• Maximum excursion before damage xlim 4.5mm
• Air volume displaced at xmax VD 15cm³
• Power handling P 90W
• Program power Pmax 180W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.27mH
• VC Diameter 26mm
• Winding height HVC 12mm

Magnet

• Flux density B 1.1T
• Force factor Bl 5.9N/A
• Motor constant Bl/√RE 2.49N/√W
• Air gap height HAG 6mm
• Diameter 90mm
• Weight 0.42kg

Diaphragm

• Effective diameter 80mm
• Effective area SD 50cm²
• Moving mass MMS 6.9g
• Moving mass (without air load) MMD 6.6g

Suspensions

• Stiffness KMS 1.41N/mm
• Compliance CMS 710µm/N
• Equivalent volume to the compliance VAS 3L
• Mechanical resistance RMS 1.42N·s/m

Dimensions

• Nominal diameter 4.5″
• 120mm
• Overall diameter 120mm
• Baffle cutout diameter 96mm
• Mounting depth 59mm
• Volume occupied by the driver (estimated) 0.52L
• Net weight 1.3kg