SEAS H1659-08 U22REX/P-SL

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.1dB
• Frequency response 29 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 29Hz
• Mechanical quality factor QMS 1.77
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.29

Large signal parameters

• Maximum linear excursion xmax 4mm
• Maximum excursion before damage xlim 10mm
• Air volume displaced at xmax VD 88cm³
• Power handling P 100W
• Program power Pmax 250W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 0.7mH
• VC Diameter 39mm
• Winding height HVC 14mm

Magnet

• Flux density B 1T
• Force factor Bl 8N/A
• Motor constant Bl/√RE 3.27N/√W
• Air gap height HAG 6mm
• Weight 0.64kg

Diaphragm

• Effective diameter 167mm
• Effective area SD 220cm²
• Moving mass MMS 19.8g
• Moving mass (without air load) MMD 17.3g

Suspensions

• Stiffness KMS 0.588N/mm
• Compliance CMS 1700µm/N
• Equivalent volume to the compliance VAS 103L
• Mechanical resistance RMS 2.1N·s/m

Dimensions

• Nominal diameter 8″
• 220mm
• Volume occupied by the driver (estimated) 0.91L
• Net weight 2.2kg