Ciare PM135ND

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 105Hz
• Mechanical quality factor QMS 4.64
• Electrical quality factor QES 0.29
• Total quality factor QTS 0.28

Large signal parameters

• Maximum linear excursion xmax 4mm
• Air volume displaced at xmax VD 33cm³
• Power handling P 80W
• Program power Pmax 160W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.8Ω
• Inductance (1kHz) LE 0.08mH
• VC Diameter 32mm
• Former material Kapton

Magnet

• Force factor Bl 8.98N/A
• Motor constant Bl/√RE 3.73N/√W
• Air gap height HAG 6mm
• Material Neodymium

Diaphragm

• Effective diameter 102mm
• Effective area SD 81.3cm²
• Moving mass MMS 6.22g
• Moving mass (without air load) MMD 5.7g

Suspensions

• Stiffness KMS 2.86N/mm
• Compliance CMS 350µm/N
• Equivalent volume to the compliance VAS 3.28L
• Mechanical resistance RMS 0.88N·s/m
• Surround material Nomex

Dimensions

• Nominal diameter 5″
• 130mm
• Overall diameter 131mm
• Baffle cutout diameter 119mm
• Overall depth 54mm
• Flange thickness 8mm
• Mounting depth 46mm
• Volume occupied by the driver (estimated) 0.21L
• Frame material Aluminium