SEAS H1794-08 FEA18RCZ

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.9dB
• Frequency response 45 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 42Hz
• Mechanical quality factor QMS 6.29
• Electrical quality factor QES 0.42
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 3mm
• Maximum excursion before damage xlim 7mm
• Air volume displaced at xmax VD 41cm³
• Power handling P 40W
• Program power Pmax 110W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.7Ω
• Inductance (1kHz) LE 0.49mH
• VC Diameter 26mm
• Winding height HVC 12mm

Magnet

• Flux density B 1.1T
• Force factor Bl 6.6N/A
• Motor constant Bl/√RE 2.76N/√W
• Air gap height HAG 6mm
• Weight 0.6kg

Diaphragm

• Effective diameter 132mm
• Effective area SD 136cm²
• Moving mass MMS 12.1g
• Moving mass (without air load) MMD 10.9g

Suspensions

• Stiffness KMS 0.84N/mm
• Compliance CMS 1190µm/N
• Equivalent volume to the compliance VAS 31L
• Mechanical resistance RMS 0.51N·s/m

Dimensions

• Nominal diameter 8″
• 180mm
• Volume occupied by the driver (estimated) 0.74L
• Net weight 1.8kg