DB Drive WDX15 7KD4
2x2Ω
2x4Ω
Subwoofer
Nominal diameter | 15″ / 381 mm |
Resonance | 37.5 Hz |
Q factor | 0.51 |
Sensitivity | 86.3 dB |
Program Power | 7000 W |
Discontinued
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.3dB
Thiele & Small parameters
- Resonance frequency (free air) fS 37.5Hz
- Mechanical quality factor QMS 7.01
- Electrical quality factor QES 0.55
- Total quality factor QTS 0.51
Large signal parameters
- Power handling P 3500W
- Program power Pmax 7000W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.8Ω
- Inductance (1kHz, in series, estimated) LE 8.52mH
Magnet
- Force factor (in series) Bl 31.1N/A
- Motor constant Bl/√RE 11.9N/√W
Diaphragm
- Effective diameter 315mm
- Effective area SD 779cm²
- Moving mass MMS 428g
- Moving mass (without air load) MMD 413g
Suspensions
- Stiffness KMS 20N/mm
- Compliance CMS 49.9µm/N
- Equivalent volume to the compliance VAS 42.9L
- Mechanical resistance RMS 14.4N·s/m
Dimensions
- Nominal diameter 15″
- 381mm
- Volume occupied by the driver (estimated) 4.3L
Export this driver to a simulation software:
Closed Box Simulator·




