SEAS PW 165/1 L0018-04S

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.3dB
• Frequency response 50 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 64Hz
• Mechanical quality factor QMS 5.49
• Electrical quality factor QES 0.65
• Total quality factor QTS 0.58

Large signal parameters

• Maximum linear excursion xmax 3mm
• Maximum excursion before damage xlim 9.5mm
• Air volume displaced at xmax VD 38cm³
• Power handling P 250W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.3Ω
• Inductance (1kHz) LE 0.78mH
• VC Diameter 39mm
• Winding height HVC 12mm

Magnet

• Flux density B 0.88T
• Force factor Bl 6N/A
• Motor constant Bl/√RE 3.3N/√W
• Air gap height HAG 6mm
• Weight 0.42kg

Diaphragm

• Effective diameter 127mm
• Effective area SD 126cm²
• Moving mass MMS 16.9g
• Moving mass (without air load) MMD 15.8g

Suspensions

• Stiffness KMS 2.5N/mm
• Compliance CMS 400µm/N
• Equivalent volume to the compliance VAS 8L
• Mechanical resistance RMS 1.3N·s/m

Dimensions

• Nominal diameter 6.5″
• 165mm
• Volume occupied by the driver (estimated) 0.69L
• Net weight 1.7kg