Peerless TC2X4FB00-08

• Sensitivity (1W, 1m, infinite baffle) SPL1W 79.6dB
• Frequency response 200 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 85Hz
• Mechanical quality factor QMS 7.65
• Electrical quality factor QES 0.88
• Total quality factor QTS 0.79

Large signal parameters

• Maximum linear excursion xmax 1.5mm
• Air volume displaced at xmax VD 3.6cm³
• Power handling P 10W
• Program power Pmax 20W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.2Ω
• Inductance (1kHz) LE 0.62mH
• VC Diameter 16.3mm
• Former material Kapton

Magnet

• Force factor Bl 3.84N/A
• Motor constant Bl/√RE 1.54N/√W
• Air gap height HAG 6mm

Diaphragm

• Effective diameter 56mm
• Effective area SD 24.2cm²
• Moving mass MMS 3.9g
• Moving mass (without air load) MMD 3.8g

Suspensions

• Stiffness KMS 1.11N/mm
• Compliance CMS 899µm/N
• Equivalent volume to the compliance VAS 0.74L
• Mechanical resistance RMS 0.27N·s/m

Dimensions

• Nominal diameter 4″
• 102mm
• Volume occupied by the driver (estimated) 0.14L
• Net weight 0.25kg