Peerless TPY02F04O0091

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.5dB
• Frequency response 100 - 15000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 160Hz
• Mechanical quality factor QMS 5.91
• Electrical quality factor QES 0.77
• Total quality factor QTS 0.68

Large signal parameters

• Maximum linear excursion xmax 1.9mm
• Air volume displaced at xmax VD 2.9cm³
• Power handling P 25W
• Program power Pmax 50W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz) LE 0.044mH
• VC Diameter 25.7mm

Magnet

• Force factor Bl 2.58N/A
• Motor constant Bl/√RE 1.44N/√W
• Air gap height HAG 3.5mm
• Material Neodymium

Diaphragm

• Effective diameter 44mm
• Effective area SD 15.2cm²
• Moving mass MMS 1.58g
• Moving mass (without air load) MMD 1.5g
• Material Aluminum

Suspensions

• Stiffness KMS 1.67N/mm
• Compliance CMS 600µm/N
• Equivalent volume to the compliance VAS 0.196L
• Mechanical resistance RMS 0.27N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 2″
• 51mm
• Net weight 0.14kg