Peerless PMT-2040N1625AL01-04

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.9dB
• Frequency response 300 - 10000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 340Hz
• Mechanical quality factor QMS 2.92
• Electrical quality factor QES 2.52
• Total quality factor QTS 1.40

Large signal parameters

• Maximum linear excursion xmax 0.8mm
• Air volume displaced at xmax VD 0.6cm³
• Power handling P 2W
• Program power Pmax 4W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 4.3Ω
• Inductance (1kHz) LE 0.045mH
• VC Diameter 11mm

Magnet

• Force factor Bl 1.14N/A
• Motor constant Bl/√RE 0.55N/√W
• Air gap height HAG 1.2mm
• Material Neodymium

Diaphragm

• Effective diameter 31mm
• Effective area SD 7.5cm²
• Moving mass MMS 0.367g
• Moving mass (without air load) MMD 0.4g
• Material Aluminum

Suspensions

• Stiffness KMS 1.64N/mm
• Compliance CMS 610µm/N
• Equivalent volume to the compliance VAS 0.048L
• Mechanical resistance RMS 0.27N·s/m
• Surround material Polyurethane

Dimensions

• Nominal size 0.8 x 1.5″
• 20 x 40mm
• Net weight 0.014kg