Peerless HDS-P835025

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.7dB
• Frequency response 100 - 3500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 43Hz
• Mechanical quality factor QMS 3.72
• Electrical quality factor QES 0.47
• Total quality factor QTS 0.42

Large signal parameters

• Maximum linear excursion xmax 7.4mm
• Air volume displaced at xmax VD 106cm³
• Power handling P 50W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.2Ω
• Inductance (1kHz) LE 0.519mH
• VC Diameter 32.4mm

Magnet

• Force factor Bl 8.61N/A
• Motor constant Bl/√RE 3.46N/√W
• Air gap height HAG 6mm
• Material Ferrite

Diaphragm

• Effective diameter 135mm
• Effective area SD 143cm²
• Moving mass MMS 20.7g
• Moving mass (without air load) MMD 19.5g
• Material Aluminum

Suspensions

• Stiffness KMS 1.52N/mm
• Compliance CMS 660µm/N
• Equivalent volume to the compliance VAS 19L
• Mechanical resistance RMS 1.5N·s/m

Dimensions

• Nominal diameter 6.5″
• 165mm
• Volume occupied by the driver (estimated) 0.64L
• Net weight 1.58kg
• Frame material Cast Aluminium