Peerless SDS-135F25CP02-06

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.4dB
• Frequency response 50 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 65Hz
• Mechanical quality factor QMS 3.75
• Electrical quality factor QES 0.79
• Total quality factor QTS 0.65

Large signal parameters

• Maximum linear excursion xmax 5.5mm
• Air volume displaced at xmax VD 47cm³
• Power handling P 50W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 6Ω
• DC resistance RE 5.9Ω
• Inductance (1kHz) LE 0.52mH
• VC Diameter 25.8mm

Magnet

• Force factor Bl 5.47N/A
• Motor constant Bl/√RE 2.25N/√W
• Air gap height HAG 6mm
• Material Ferrite

Diaphragm

• Effective diameter 105mm
• Effective area SD 86.6cm²
• Moving mass MMS 9.72g
• Moving mass (without air load) MMD 9.1g
• Material Paper

Suspensions

• Stiffness KMS 1.61N/mm
• Compliance CMS 620µm/N
• Equivalent volume to the compliance VAS 6.53L
• Mechanical resistance RMS 1.06N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 5″
• 133mm
• Volume occupied by the driver (estimated) 0.26L
• Net weight 0.68kg
• Frame material Pressed Steel