Peerless TC8FD00-04

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.1dB
• Frequency response 100 - 15000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 140Hz
• Mechanical quality factor QMS 2.80
• Electrical quality factor QES 1.40
• Total quality factor QTS 0.94

Large signal parameters

• Maximum linear excursion xmax 3.7mm
• Air volume displaced at xmax VD 12cm³
• Power handling P 25W
• Program power Pmax 50W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.3Ω
• Inductance (1kHz) LE 0.054mH
• VC Diameter 19.4mm

Magnet

• Force factor Bl 2.43N/A
• Motor constant Bl/√RE 1.34N/√W
• Air gap height HAG 4mm
• Material Ferrite

Diaphragm

• Effective diameter 65mm
• Effective area SD 33.2cm²
• Moving mass MMS 2.81g
• Moving mass (without air load) MMD 2.7g
• Material Patented PentaCut

Suspensions

• Stiffness KMS 2.22N/mm
• Compliance CMS 450µm/N
• Equivalent volume to the compliance VAS 0.696L
• Mechanical resistance RMS 0.88N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 3″
• 76mm
• Volume occupied by the driver (estimated) 0.11L
• Net weight 0.3kg
• Frame material Pressed Steel