Pride M25.15 D2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.3dB

Thiele & Small parameters

• Resonance frequency (free air) fS 31.7Hz
• Mechanical quality factor QMS 5.28
• Electrical quality factor QES 0.47
• Total quality factor QTS 0.43

Large signal parameters

• Maximum linear excursion xmax 34mm
• Air volume displaced at xmax VD 2873cm³
• Power handling P 2500W
• Program power Pmax 5000W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.0Ω
• Inductance (1kHz, in series, estimated) LE 3.52mH
• VC Diameter 81.3mm
• Winding material flat aluminum

Magnet

• Force factor (in series) Bl 22.3N/A
• Motor constant Bl/√RE 12.9N/√W
• Diameter 220mm
• Height 54mm

Diaphragm

• Effective diameter 328mm
• Effective area SD 845cm²
• Moving mass MMS 388g
• Moving mass (without air load) MMD 370g
• Material Paper with glass fiber

Suspensions

• Stiffness KMS 14.3N/mm
• Compliance CMS 70µm/N
• Equivalent volume to the compliance VAS 70.8L
• Mechanical resistance RMS 14.6N·s/m

Dimensions

• Nominal diameter 15″
• 397mm
• Overall diameter 397mm
• Baffle cutout diameter 370mm
• Mounting depth 209mm
• Volume occupied by the driver 5L
• Net weight 21.6kg
• Frame material Aluminium