SEAS H1353-08/06 T18REX/XFC

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.5dB
• Frequency response 30 - 25000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 30Hz
• Mechanical quality factor QMS 1.64
• Electrical quality factor QES 0.29
• Total quality factor QTS 0.24

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 200W
• Program power Pmax 300W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.2Ω
• Inductance (1kHz) LE 0.7mH
• VC Diameter 39mm
• Winding height HVC 12mm

Magnet

• Flux density B 1.05T
• Force factor Bl 7.8N/A
• Motor constant Bl/√RE 3.13N/√W
• Air gap height HAG 6mm
• Weight 0.85kg

Diaphragm

• Effective diameter 127mm
• Effective area SD 126cm²
• Moving mass MMS 13.3g
• Moving mass (without air load) MMD 12.2g

Suspensions

• Stiffness KMS 0.526N/mm
• Compliance CMS 1900µm/N
• Equivalent volume to the compliance VAS 42L
• Mechanical resistance RMS 1.71N·s/m

Dimensions

• Nominal diameter 7″
• 176mm
• Volume occupied by the driver (estimated) 0.79L
• Net weight 1.92kg