Peerless HDS-P830933

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.1dB
• Frequency response 100 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 65Hz
• Mechanical quality factor QMS 4.57
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.40

Large signal parameters

• Maximum linear excursion xmax 5.5mm
• Air volume displaced at xmax VD 48cm³
• Power handling P 40W
• Program power Pmax 80W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 0.402mH
• VC Diameter 25.7mm

Magnet

• Force factor Bl 7.22N/A
• Motor constant Bl/√RE 2.95N/√W
• Air gap height HAG 6mm
• Material Ferrite

Diaphragm

• Effective diameter 106mm
• Effective area SD 88.3cm²
• Moving mass MMS 9.3g
• Moving mass (without air load) MMD 8.7g
• Material Coated Paper

Suspensions

• Stiffness KMS 1.52N/mm
• Compliance CMS 660µm/N
• Equivalent volume to the compliance VAS 7.23L
• Mechanical resistance RMS 0.83N·s/m

Dimensions

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