Peerless PLS-65F25AL01-08

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.4dB
• Frequency response 80 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 130Hz
• Mechanical quality factor QMS 5.32
• Electrical quality factor QES 1.09
• Total quality factor QTS 0.90

Large signal parameters

• Maximum linear excursion xmax 3.6mm
• Air volume displaced at xmax VD 7.9cm³
• Power handling P 25W
• Program power Pmax 50W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.1Ω
• Inductance (1kHz) LE 0.093mH
• VC Diameter 25.7mm

Magnet

• Force factor Bl 3.06N/A
• Motor constant Bl/√RE 1.24N/√W
• Air gap height HAG 3mm
• Material Ferrite

Diaphragm

• Effective diameter 53mm
• Effective area SD 22.1cm²
• Moving mass MMS 2.1g
• Moving mass (without air load) MMD 2g
• Material Aluminum

Suspensions

• Stiffness KMS 1.3N/mm
• Compliance CMS 770µm/N
• Equivalent volume to the compliance VAS 0.528L
• Mechanical resistance RMS 0.32N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 2.5″
• 64mm
• Volume occupied by the driver (estimated) 0.13L
• Net weight 0.34kg