SEAS E0044-08S W12CY003

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85dB
• Frequency response 60 - 3500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 60Hz
• Mechanical quality factor QMS 2.30
• Electrical quality factor QES 0.44
• Total quality factor QTS 0.36

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 70W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz) LE 0.41mH
• VC Diameter 26mm
• Winding height HVC 12mm

Magnet

• Flux density B 1.1T
• Force factor Bl 5.5N/A
• Motor constant Bl/√RE 2.35N/√W
• Air gap height HAG 6mm
• Weight 0.42kg

Diaphragm

• Effective diameter 80mm
• Effective area SD 50cm²
• Moving mass MMS 6.1g
• Moving mass (without air load) MMD 5.8g

Suspensions

• Stiffness KMS 0.833N/mm
• Compliance CMS 1200µm/N
• Equivalent volume to the compliance VAS 4L
• Mechanical resistance RMS 1.03N·s/m

Dimensions

• Nominal diameter 4.5″
• 120mm
• Volume occupied by the driver (estimated) 0.52L
• Net weight 1.3kg