Peerless HDS-P835026

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.5dB
• Frequency response 20 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 31.1Hz
• Mechanical quality factor QMS 4.96
• Electrical quality factor QES 0.52
• Total quality factor QTS 0.47

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 139cm³
• Power handling P 75W
• Program power Pmax 150W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 0.36mH
• VC Diameter 38.4mm
• Former material Aluminium

Magnet

• Force factor Bl 8.8N/A
• Motor constant Bl/√RE 3.78N/√W
• Air gap height HAG 8mm

Diaphragm

• Effective diameter 172mm
• Effective area SD 232cm²
• Moving mass MMS 38g
• Moving mass (without air load) MMD 35.5g

Suspensions

• Stiffness KMS 1.45N/mm
• Compliance CMS 689µm/N
• Equivalent volume to the compliance VAS 52.2L
• Mechanical resistance RMS 1.5N·s/m

Dimensions

• Nominal diameter 8″
• 203mm
• Volume occupied by the driver (estimated) 0.97L
• Net weight 2.34kg