Peerless PLS-65F25AL01-02

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.2dB
• Frequency response 100 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 118Hz
• Mechanical quality factor QMS 6.27
• Electrical quality factor QES 1.16
• Total quality factor QTS 0.98

Large signal parameters

• Maximum linear excursion xmax 2.1mm
• Air volume displaced at xmax VD 4.5cm³
• Power handling P 15W
• Program power Pmax 30W

Voice Coil

• Nominal impedance Z 2Ω
• DC resistance RE 1.5Ω
• Inductance (1kHz) LE 0.01mH
• VC Diameter 25.7mm
• Former material Aluminium

Magnet

• Force factor Bl 1.4N/A
• Motor constant Bl/√RE 1.14N/√W
• Air gap height HAG 3mm

Diaphragm

• Effective diameter 52mm
• Effective area SD 21.2cm²
• Moving mass MMS 2g
• Moving mass (without air load) MMD 1.9g

Suspensions

• Stiffness KMS 1.13N/mm
• Compliance CMS 888µm/N
• Equivalent volume to the compliance VAS 0.56L
• Mechanical resistance RMS 0.24N·s/m

Dimensions

• Nominal diameter 2.5″
• 64mm
• Volume occupied by the driver (estimated) 0.49L
• Net weight 1.22kg