Peerless TC8FD02-08

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.7dB
• Frequency response 130 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 97.8Hz
• Mechanical quality factor QMS 4.45
• Electrical quality factor QES 0.49
• Total quality factor QTS 0.44

Large signal parameters

• Maximum linear excursion xmax 2mm
• Air volume displaced at xmax VD 6.6cm³
• Power handling P 25W
• Program power Pmax 50W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.8Ω
• Inductance (1kHz) LE 0.38mH
• VC Diameter 19.4mm
• Former material Aluminium

Magnet

• Force factor Bl 5.14N/A
• Motor constant Bl/√RE 1.98N/√W
• Air gap height HAG 4mm

Diaphragm

• Effective diameter 65mm
• Effective area SD 33.2cm²
• Moving mass MMS 3.1g
• Moving mass (without air load) MMD 3g

Suspensions

• Stiffness KMS 1.17N/mm
• Compliance CMS 853µm/N
• Equivalent volume to the compliance VAS 1.32L
• Mechanical resistance RMS 0.43N·s/m

Dimensions

• Nominal diameter 3″
• 76mm
• Volume occupied by the driver (estimated) 0.13L
• Net weight 0.36kg