SEAS H1085-08 L18RCY/P

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.7dB
• Frequency response 35 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 33Hz
• Mechanical quality factor QMS 2.01
• Electrical quality factor QES 0.37
• Total quality factor QTS 0.31

Large signal parameters

• Maximum linear excursion xmax 4mm
• Maximum excursion before damage xlim 8mm
• Air volume displaced at xmax VD 50cm³
• Power handling P 80W
• Program power Pmax 250W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.92mH
• VC Diameter 26mm
• Winding height HVC 14mm

Magnet

• Flux density B 1.25T
• Force factor Bl 6.5N/A
• Motor constant Bl/√RE 2.75N/√W
• Air gap height HAG 6mm
• Weight 0.42kg

Diaphragm

• Effective diameter 126mm
• Effective area SD 125cm²
• Moving mass MMS 12.7g
• Moving mass (without air load) MMD 11.6g

Suspensions

• Stiffness KMS 0.556N/mm
• Compliance CMS 1800µm/N
• Equivalent volume to the compliance VAS 38L
• Mechanical resistance RMS 1.39N·s/m

Dimensions

• Nominal diameter 8″
• 180mm
• Volume occupied by the driver (estimated) 0.57L
• Net weight 1.42kg