Peerless SDS-160F25PR01-08

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.9dB
• Frequency response 20 - 8000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 48Hz
• Mechanical quality factor QMS 3.75
• Electrical quality factor QES 0.69
• Total quality factor QTS 0.58

Large signal parameters

• Maximum linear excursion xmax 8.1mm
• Air volume displaced at xmax VD 114cm³
• Power handling P 60W
• Program power Pmax 120W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.0Ω
• Inductance (1kHz) LE 0.803mH
• VC Diameter 25.8mm

Magnet

• Force factor Bl 6.64N/A
• Motor constant Bl/√RE 2.51N/√W
• Air gap height HAG 6mm
• Material Ferrite

Diaphragm

• Effective diameter 134mm
• Effective area SD 141cm²
• Moving mass MMS 14.5g
• Moving mass (without air load) MMD 13.3g
• Material Paper

Suspensions

• Stiffness KMS 1.3N/mm
• Compliance CMS 770µm/N
• Equivalent volume to the compliance VAS 21.8L
• Mechanical resistance RMS 1.17N·s/m
• Surround material NBR Rubber

Dimensions

• Nominal diameter 6.5″
• 165mm
• Volume occupied by the driver (estimated) 0.41L
• Net weight 1.04kg
• Frame material Pressed Steel