Fountek FW200

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.7dB
• Frequency response 35 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35.7Hz
• Mechanical quality factor QMS 2.26
• Electrical quality factor QES 0.68
• Total quality factor QTS 0.53

Large signal parameters

• Maximum linear excursion xmax 4.4mm
• Air volume displaced at xmax VD 93cm³
• Power handling P 75W
• Program power Pmax 150W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.8Ω
• Inductance (1kHz, estimated) LE 1.14mH
• VC Diameter 36mm
• Winding height HVC 14.5mm
• Winding material Copper
• Former material Black Aluminum

Magnet

• Flux density B 1T
• Force factor Bl 6.83N/A
• Motor constant Bl/√RE 2.62N/√W
• Air gap height HAG 5.8mm
• Material Ferrite

Diaphragm

• Effective diameter 165mm
• Effective area SD 214cm²
• Moving mass MMS 20.9g
• Moving mass (without air load) MMD 18.5g

Suspensions

• Stiffness KMS 1.06N/mm
• Compliance CMS 948µm/N
• Equivalent volume to the compliance VAS 61.6L
• Mechanical resistance RMS 2.08N·s/m

Dimensions

• Nominal diameter 8″
• 200mm
• Overall diameter 217mm
• Overall depth 89mm
• Volume occupied by the driver (estimated) 0.74L
• Net weight 1.9kg