Peerless TC7FD00-04

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.7dB
• Frequency response 100 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 160Hz
• Mechanical quality factor QMS 3.97
• Electrical quality factor QES 1.48
• Total quality factor QTS 1.10

Large signal parameters

• Maximum linear excursion xmax 2mm
• Air volume displaced at xmax VD 4.4cm³
• Power handling P 20W
• Program power Pmax 40W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz) LE 0.054mH
• VC Diameter 19.3mm

Magnet

• Force factor Bl 2.05N/A
• Motor constant Bl/√RE 1.1N/√W
• Air gap height HAG 3mm
• Material Ferrite

Diaphragm

• Effective diameter 53mm
• Effective area SD 22.1cm²
• Moving mass MMS 1.81g
• Moving mass (without air load) MMD 1.7g
• Material Patented PentaCut

Suspensions

• Stiffness KMS 1.79N/mm
• Compliance CMS 560µm/N
• Equivalent volume to the compliance VAS 0.385L
• Mechanical resistance RMS 0.46N·s/m
• Surround material NBR Rubber

Dimensions

• Nominal diameter 2.5″
• 64mm
• Net weight 0.174kg
• Frame material Pressed Steel