SEAS E0077-08 W22NX001

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.8dB
• Frequency response 20 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 25Hz
• Mechanical quality factor QMS 4.18
• Electrical quality factor QES 0.44
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 7mm
• Maximum excursion before damage xlim 10mm
• Air volume displaced at xmax VD 154cm³
• Power handling P 200W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.3Ω
• Inductance (1kHz) LE 0.26mH
• VC Diameter 39mm
• Winding height HVC 20mm

Magnet

• Flux density B 1.3T
• Force factor Bl 8.3N/A
• Motor constant Bl/√RE 3.31N/√W
• Air gap height HAG 6mm
• Weight 0.9kg

Diaphragm

• Effective diameter 167mm
• Effective area SD 220cm²
• Moving mass MMS 31.1g
• Moving mass (without air load) MMD 28.6g

Suspensions

• Stiffness KMS 0.741N/mm
• Compliance CMS 1350µm/N
• Equivalent volume to the compliance VAS 93L
• Mechanical resistance RMS 1.15N·s/m

Dimensions

• Nominal diameter 8″
• 220mm
• Volume occupied by the driver (estimated) 1.2L
• Net weight 2.8kg