Peerless FSL-1830R03-08

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.5dB
• Frequency response 50 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 32Hz
• Mechanical quality factor QMS 8.06
• Electrical quality factor QES 0.37
• Total quality factor QTS 0.36

Large signal parameters

• Maximum linear excursion xmax 8.7mm
• Air volume displaced at xmax VD 1066cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 2.07mH
• VC Diameter 75.8mm

Magnet

• Force factor Bl 21.4N/A
• Motor constant Bl/√RE 9.21N/√W
• Air gap height HAG 8mm
• Material Ferrite

Diaphragm

• Effective diameter 396mm
• Effective area SD 1230cm²
• Moving mass MMS 160g
• Moving mass (without air load) MMD 130g
• Material Paper

Suspensions

• Stiffness KMS 6.25N/mm
• Compliance CMS 160µm/N
• Equivalent volume to the compliance VAS 338L
• Mechanical resistance RMS 3.99N·s/m
• Surround material Fabric

Dimensions

• Nominal diameter 18″
• 457mm
• Volume occupied by the driver (estimated) 3.2L
• Net weight 7.2kg
• Frame material Pressed Steel