Pride M35.18 D1

• Sensitivity (1W, 1m, infinite baffle) SPL1W 89dB

Thiele & Small parameters

• Resonance frequency (free air) fS 26.9Hz
• Mechanical quality factor QMS 3.78
• Electrical quality factor QES 0.29
• Total quality factor QTS 0.27

Large signal parameters

• Maximum linear excursion xmax 35mm
• Air volume displaced at xmax VD 2923cm³
• Power handling P 3500W
• Program power Pmax 7000W

Voice Coil

• Nominal impedance Z 2 x 1Ω
• DC resistance (in series) RE 1.3Ω
• Inductance (1kHz, in series, estimated) LE 1.63mH
• VC Diameter 91.4mm
• Winding material Flat aluminum

Magnet

• Force factor (in series) Bl 18.1N/A
• Motor constant Bl/√RE 15.9N/√W
• Diameter 240mm
• Height 78mm

Diaphragm

• Effective diameter 326mm
• Effective area SD 835cm²
• Moving mass MMS 428g
• Moving mass (without air load) MMD 411g
• Material Paper reinforced glass fiber

Suspensions

• Stiffness KMS 11.8N/mm
• Compliance CMS 85µm/N
• Equivalent volume to the compliance VAS 84.2L
• Mechanical resistance RMS 19.1N·s/m

Dimensions

• Nominal diameter 15″
• 397mm
• Overall diameter 397mm
• Baffle cutout diameter 365mm
• Mounting depth 275mm
• Volume occupied by the driver 8L
• Net weight 38.5kg
• Frame material Aluminium