Peerless HDS-P832873

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.5dB
• Frequency response 100 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 77Hz
• Mechanical quality factor QMS 1.74
• Electrical quality factor QES 0.62
• Total quality factor QTS 0.46

Large signal parameters

• Maximum linear excursion xmax 5.5mm
• Air volume displaced at xmax VD 49cm³
• Power handling P 60W
• Program power Pmax 120W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 0.282mH
• VC Diameter 25.7mm

Magnet

• Force factor Bl 6.5N/A
• Motor constant Bl/√RE 2.65N/√W
• Air gap height HAG 6mm
• Material Ferrite

Diaphragm

• Effective diameter 107mm
• Effective area SD 89.9cm²
• Moving mass MMS 9.1g
• Moving mass (without air load) MMD 8.5g
• Material Vented Nomex

Suspensions

• Stiffness KMS 2.08N/mm
• Compliance CMS 480µm/N
• Equivalent volume to the compliance VAS 5.43L
• Mechanical resistance RMS 2.53N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 5″
• 133mm
• Volume occupied by the driver (estimated) 0.42L
• Net weight 1.06kg
• Frame material Cast Aluminium