Down4Sound DBz15D4
2x2Ω
2x4Ω
Subwoofer
| Nominal diameter | 15″ / 396 mm |
| Resonance | 39.6 Hz |
| Q factor | 0.57 |
| Sensitivity | 89.1 dB |
| Linear excursion | ± 30 mm |
| Program Power | 2600 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 89.1dB
Thiele & Small parameters
- Resonance frequency (free air) fS 39.6Hz
- Mechanical quality factor QMS 2.83
- Electrical quality factor QES 0.71
- Total quality factor QTS 0.57
Large signal parameters
- Maximum linear excursion (one way) xmax 30mm
- Air volume displaced at xmax VD 2644cm³
- Power handling P 1300W
- Program power Pmax 2600W
Voice Coil
- Nominal impedance Z 2 x 4Ω
- DC resistance (in series) RE 6.1Ω
- Inductance (1kHz, in series, estimated) LE 7.67mH
- VC Diameter 69.9mm
Magnet
- Force factor (in series) Bl 30.3N/A
- Motor constant Bl/√RE 12.3N/√W
- Diameter 349mm
Diaphragm
- Effective diameter 335mm
- Effective area SD 881cm²
- Moving mass MMS 436g
- Moving mass (without air load) MMD 417g
Suspensions
- Stiffness KMS 26.7N/mm
- Compliance CMS 37.4µm/N
- Equivalent volume to the compliance VAS 41L
- Mechanical resistance RMS 0.774N·s/m
Dimensions
- Nominal diameter 15″
- 396mm
- Overall diameter 396mm
- Baffle cutout diameter 352mm
- Mounting depth 214mm
- Volume occupied by the driver 5.38L
- Net weight 15.42kg
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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