SEAS E0070-08 W12CY004

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.9dB
• Frequency response 50 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 48Hz
• Mechanical quality factor QMS 6.11
• Electrical quality factor QES 0.41
• Total quality factor QTS 0.38

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 150W
• Program power Pmax 300W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz) LE 0.32mH
• VC Diameter 26mm
• Winding height HVC 12mm

Magnet

• Flux density B 1.1T
• Force factor Bl 5.9N/A
• Motor constant Bl/√RE 2.52N/√W
• Air gap height HAG 6mm
• Diameter 90mm
• Weight 0.42kg

Diaphragm

• Effective diameter 80mm
• Effective area SD 50cm²
• Moving mass MMS 8.4g
• Moving mass (without air load) MMD 8.1g

Suspensions

• Stiffness KMS 0.763N/mm
• Compliance CMS 1310µm/N
• Equivalent volume to the compliance VAS 4.6L
• Mechanical resistance RMS 0.42N·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