Peerless FLT-100N38AR01-04

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 109Hz
• Mechanical quality factor QMS 3.51
• Electrical quality factor QES 0.92
• Total quality factor QTS 0.73

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Air volume displaced at xmax VD 16cm³
• Power handling P 25W
• Program power Pmax 50W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.9Ω
• Inductance (1kHz) LE 0.38mH
• VC Diameter 38.4mm
• Former material Aluminium

Magnet

• Force factor Bl 6.79N/A
• Motor constant Bl/√RE 3.43N/√W
• Air gap height HAG 5mm

Diaphragm

• Effective diameter 90mm
• Effective area SD 63.6cm²
• Moving mass MMS 15.9g
• Moving mass (without air load) MMD 15.6g

Suspensions

• Stiffness KMS 7.45N/mm
• Compliance CMS 134µm/N
• Equivalent volume to the compliance VAS 0.76L
• Mechanical resistance RMS 3.1N·s/m

Dimensions

• Nominal diameter 4″
• 102mm
• Volume occupied by the driver (estimated) 0.13L
• Net weight 0.34kg