Peerless TPY05W04O0089

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.6dB
• Frequency response 80 - 3500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 90Hz
• Mechanical quality factor QMS 3.47
• Electrical quality factor QES 0.74
• Total quality factor QTS 0.61

Large signal parameters

• Maximum linear excursion xmax 4.5mm
• Air volume displaced at xmax VD 40cm³
• Power handling P 25W
• Program power Pmax 50W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.8Ω
• Inductance (1kHz) LE 0.381mH
• VC Diameter 25.7mm

Magnet

• Force factor Bl 5.04N/A
• Motor constant Bl/√RE 2.59N/√W
• Air gap height HAG 6mm
• Material Ferrite

Diaphragm

• Effective diameter 107mm
• Effective area SD 89.9cm²
• Moving mass MMS 8.92g
• Moving mass (without air load) MMD 8.3g
• Material Polypropylene

Suspensions

• Stiffness KMS 2.86N/mm
• Compliance CMS 350µm/N
• Equivalent volume to the compliance VAS 4.04L
• Mechanical resistance RMS 1.45N·s/m

Dimensions

• Nominal diameter 5″
• 133mm
• Volume occupied by the driver (estimated) 0.25L
• Net weight 0.66kg
• Frame material Cast Aluminium