Peerless FSL-0512R01-08

• Sensitivity (1W, 1m, infinite baffle) SPL1W 91.5dB
• Frequency response 90 - 10000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 120Hz
• Mechanical quality factor QMS 1.88
• Electrical quality factor QES 0.74
• Total quality factor QTS 0.53

Large signal parameters

• Maximum linear excursion xmax 4.3mm
• Air volume displaced at xmax VD 49cm³
• Power handling P 90W
• Program power Pmax 180W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.7Ω
• Inductance (1kHz) LE 0.258mH
• VC Diameter 30.5mm

Magnet

• Force factor Bl 6.32N/A
• Motor constant Bl/√RE 2.65N/√W
• Air gap height HAG 4mm
• Material Ferrite

Diaphragm

• Effective diameter 120mm
• Effective area SD 113cm²
• Moving mass MMS 7.11g
• Moving mass (without air load) MMD 6.3g
• Material Paper

Suspensions

• Stiffness KMS 3.7N/mm
• Compliance CMS 270µm/N
• Equivalent volume to the compliance VAS 4.85L
• Mechanical resistance RMS 2.85N·s/m
• Surround material Fabric

Dimensions

• Nominal diameter 5″
• 133mm
• Volume occupied by the driver (estimated) 0.39L
• Net weight 0.98kg
• Frame material Pressed Steel