SEAS E0049-04S W16NX001

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85dB
• Frequency response 45 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 37Hz
• Mechanical quality factor QMS 2.66
• Electrical quality factor QES 0.38
• Total quality factor QTS 0.33

Large signal parameters

• Maximum linear excursion xmax 7mm
• Maximum excursion before damage xlim 11mm
• Air volume displaced at xmax VD 66cm³
• Power handling P 80W
• Program power Pmax 250W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.0Ω
• Inductance (1kHz) LE 0.25mH
• VC Diameter 39mm
• Winding height HVC 20mm

Magnet

• Flux density B 1.05T
• Force factor Bl 5.3N/A
• Motor constant Bl/√RE 3.06N/√W
• Air gap height HAG 6mm
• Weight 0.64kg

Diaphragm

• Effective diameter 109mm
• Effective area SD 94cm²
• Moving mass MMS 14.8g
• Moving mass (without air load) MMD 14.1g

Suspensions

• Stiffness KMS 0.769N/mm
• Compliance CMS 1300µm/N
• Equivalent volume to the compliance VAS 15L
• Mechanical resistance RMS 1.34N·s/m

Dimensions

• Nominal diameter 6.5″
• 160mm
• Volume occupied by the driver (estimated) 0.89L
• Net weight 2.15kg