DB Drive P5W 15

2x4Ω

Subwoofer

Nominal diameter	15″ / 381 mm
Resonance	35.7 Hz
Q factor	0.14
Sensitivity	97.5 dB
Program power	1800 W

Discontinued

DB Drive P5W 15 Subwoofer

Specifications

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 (including air load) MMS 135g
Moving mass 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

DB Drive P5W 15 Dimensions

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