SEAS OR003-04 FL4RCN/F

• Sensitivity (1W, 1m, infinite baffle) SPL1W 80.1dB
• Frequency response 200 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 140Hz
• Mechanical quality factor QMS 1.56
• Electrical quality factor QES 0.48
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 2.7mm
• Maximum excursion before damage xlim 3.2mm
• Air volume displaced at xmax VD 2.5cm³
• Power handling P 3W
• Program power Pmax 4W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 0.09mH
• VC Diameter 26mm
• Winding height HVC 9mm

Magnet

• Flux density B 0.693T
• Force factor Bl 2.8N/A
• Motor constant Bl/√RE 1.47N/√W
• Air gap height HAG 2mm
• Diameter 32mm
• Weight 0.021kg

Diaphragm

• Effective diameter 34mm
• Effective area SD 9.1cm²
• Moving mass MMS 1.21g
• Moving mass (without air load) MMD 1.2g

Suspensions

• Stiffness KMS 0.935N/mm
• Compliance CMS 1070µm/N
• Equivalent volume to the compliance VAS 0.13L
• Mechanical resistance RMS 0.68N·s/m

Dimensions

• Nominal diameter 1.5″
• 40mm
• Overall diameter 40mm
• Baffle cutout diameter 36mm
• Mounting depth 15mm
• Net weight 0.06kg