DB Drive P5W 15

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 35.7Hz
• Mechanical quality factor QMS 4.87
• Electrical quality factor QES 0.14
• Total quality factor QTS 0.14

Large signal parameters

• Power handling P 600W
• Program power Pmax 1800W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.4Ω
• Inductance (1kHz, in series) LE 5.2mH

Magnet

• Force factor (in series) Bl 37.8N/A
• Motor constant Bl/√RE 14.9N/√W

Diaphragm

• Effective diameter 325mm
• Effective area SD 832cm²
• Moving mass MMS 135g
• Moving mass (without air load) MMD 118g

Suspensions

• Stiffness KMS 6.67N/mm
• Compliance CMS 150µm/N
• Equivalent volume to the compliance VAS 147L
• Mechanical resistance RMS 6.2N·s/m

Dimensions

• Nominal diameter 15″
• 381mm
• Volume occupied by the driver (estimated) 4.3L