Peerless FSL-0512R01-08

• Sensitivity (1W, 1m, infinite baffle)SPL1W91.5dB
• Frequency response90 - 10000Hz

Thiele & Small parameters

• Resonance frequency (free air)fS120Hz
• Mechanical quality factorQMS1.88
• Electrical quality factorQES0.74
• Total quality factorQTS0.53

Large signal parameters

• Maximum linear excursionxmax4.3mm
• Air volume displaced at xmaxVD49cm³
• Power handlingP90W
• Program powerPmax180W

Voice Coil

• Nominal impedanceZ8Ω
• DC resistanceRE5.7Ω
• Inductance (1kHz)LE0.258mH
• VC Diameter30.5mm

Magnet

• Force factorBl6.32N/A
• Motor constantBl/√RE2.65N/√W
• Air gap heightHAG4mm
• MaterialFerrite

Diaphragm

• Effective diameter120mm
• Effective areaSD113cm²
• Moving massMMS7.11g
• Moving mass (without air load)MMD6.3g
• MaterialPaper

Suspensions

• StiffnessKMS3.7N/mm
• ComplianceCMS270µm/N
• Equivalent volume to the complianceVAS4.85L
• Mechanical resistanceRMS2.85N·s/m
• Surround materialFabric

Dimensions

• Nominal diameter5″
• 133mm
• Volume occupied by the driver (estimated)0.39L
• Net weight0.98kg
• Frame materialPressed Steel