SEAS X1-04 EXOTIC F8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.6dB
• Frequency response 30 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 31Hz
• Mechanical quality factor QMS 4.24
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 2.1mm
• Maximum excursion before damage xlim 7mm
• Air volume displaced at xmax VD 47cm³
• Power handling P 35W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.0Ω
• Inductance (1kHz) LE 0.05mH
• VC Diameter 26mm
• Winding height HVC 7.8mm

Magnet

• Flux density B 0.8T
• Force factor Bl 4.2N/A
• Motor constant Bl/√RE 2.42N/√W
• Air gap height HAG 12mm
• Weight 0.8kg

Diaphragm

• Effective diameter 168mm
• Effective area SD 222cm²
• Moving mass MMS 10.5g
• Moving mass (without air load) MMD 8g

Suspensions

• Stiffness KMS 0.481N/mm
• Compliance CMS 2080µm/N
• Equivalent volume to the compliance VAS 146L
• Mechanical resistance RMS 0.57N·s/m

Dimensions

• Nominal diameter 8″
• 220mm
• Volume occupied by the driver (estimated) 1.1L
• Net weight 2.6kg